Outdoor literature (non-fiction)

• 1997: Don Gayton, Landscapes of the Interior: Re-Explorations of Nature and the Human Spirit
• 1997: W. Scott Olsen and Scott Cairns, The Sacred Place: Witnessing the Holy in the Physical World
• 1998: Greg Child, Postcards from the Ledge: Collected Mountaineering Writings of Greg Child
• 1999: Richard Bangs, The Lost River: A Memoir of Life, Death, and Transformation on Wild Water
• 2000: Chris Duff, On Celtic Tides: One Man's Journey Around Ireland by Sea Kayak
• 2001: Erika Warmbrunn, Where the Pavement Ends: One Woman's Bicycle Trip Through Mongolia, China and Vietnam
• 2002: Jill Fredston, Rowing to Latitude: Journeys Along the Arctic's Edge
• 2003: Joe Simpson, The Beckoning Silence
• 2004: Maria Coffey, Where the Mountain Casts Its Shadow: The Dark Side of Extreme Adventure
• 2004: Ted Kerasote, Out There: In the Wild in a Wired Age
• 2004: Angela & Duffy Ballard, A Blistered Kind of Love: One Couple's Trial by Trail
• 2005: Jennifer Jordan, Savage Summit: The True Stories of the First Five Women Who Climbed K2, the World's Most Feared Mountain
• 2005: Peter Stark, At the Mercy of the River: An Exploration of the Last African Wilderness
• 2006: Karsten Heuer, Being Caribou: Five Months on Foot with a Caribou Herd
• 2007: Lou Ureneck, Backcast: Fatherhood, Fly-fishing, and a River Journey Through the Heart of Alaska ^[4]
• 2007: Beth A. Leonard, Blue Horizons: Dispatches from Distant Seas
• 2008: Jennifer Lowe-Anker, Forget Me Not: A Memoir
• 2009: Mark Obmascik, Halfway to Heaven: My White-knuckled--and Knuckleheaded--Quest for the Rocky Mountain High
• 2009: Julie Angus, Rowboat in a Hurricane: My Amazing Journey Across a Changing Ocean
• 2010: Peter Heller, Kook: What Surfing Taught Me About Love, Life and Catching the Perfect Wave
• 2010: Winton Porter, Just Passin' Thru: A Vintage Store, the Appalachian Trail, and a Cast of Unforgettable Characters
• 2011: Philip Connors, Fire Season: Field Notes from a Wilderness Lookout ^[5]
• 2012: Suzanne Roberts, Almost Somewhere: Twenty-Eight Days on the John Muir Trail
• 2012: Jim Davidson and Kevin Vaughan, The Ledge: An Adventure Story of Friendship and Survival on Mount Rainier
• 2012: Michael Lanza, Before They're Gone: A Family's Year-Long Quest to Explore America's Most Endangered National Parks
• 2013: Gail D. Storey, I Promise Not to Suffer: A Fool for Love Hikes the Pacific Crest Trail
• 2013: Dylan Tomine, Closer to the Ground: An Outdoor Family’s Year on the Water, in the Woods and at the Table
• 2014: Erin McKittrick, Small Feet, Big Land: Adventure, Home and Family on the Edge of Alaska
• 2015: Jennifer Kingsley, Paddlenorth: Adventure, Resilience and Renewal in the Arctic Wild
• 2015: Kelly Cordes, The Tower: A Chronicle of Climbing and Controversy on Cerro Torre

• 2016: Debbie Clarke Moderow, Fast Into the Night: A Woman, Her Dogs, and Their Journey North on the Iditarod Trail
• 2016: Sue Leaf, Portage: A Family, a Canoe and the Search for the Good Life
• 2017: John Gierach, A Fly Rod of Your Own
• 2017: Robert Moor, On Trails: An Exploration
• 2017: Erik Weihenmayer and Buddy Levy, No Barriers: A Blind Man's Journey to Kayak the Grand Canyon
• 2018: Annette McGivney, Pure Land: A True Story of Three Lives and the Search for Heaven on Earth
• 2019: Geoff Power, Inner Ranges: An Anthology of Mountain Thoughts
• 2019: Dave Shively The Pacifc Alone: The Untold Story of Kayaking's Boldest Voyage
• 2019: Raynor Winn, The Salt Path
• 2020: Edward Power, Dragons in the Snow: Avalanche Detectives and the Race to Beat Death in the Mountains
• 2021: Trina Moyles, Lookout: Love, Solitude and Searching for Wildfire in the Boreal Forest
• 2021: Mark Kurlansky, The Unreasonable Virtue of Fly Fishing
• 2021: Sara Dykman, Bicycling with Butterflies: My 10,201 Mile Journey Following the Monarch Migration
• 2022: Doug Peacock Was it Worth It? A Wilderness Warrior’s Long Trail Home
• 2022: Dylan Tomine, Headwaters: The Adventures, Obsession, and Evolution of a Fly Fisherman
• 2023: Darrell Hartman, Battle of Ink and Ice: A Sensational Story of News Barons, North Pole Explorers, and the Making of Modern Media
• 2023: Jennifer Ackerman, What an Owl Knows: The New Science of the World’s Most Enigmatic Birds

Outdoor literature (fiction)

• 2015: Kim Heacox, Jimmy Bluefeather: A Novel
• 2022: Amy McCulloch, Breathless: A Thriller

Journeys (inaugurated 2021)

• 2021: Anders Morley, This Land of Snow: A Journey Across the North in Winter
• 2021: Karen Berger, photographs by Bart Smith, America's Great Historic Trails: Walking the Trails of History
• 2022: Marina Richie, Halcyon Journey: In Search of the Belted Kingfisher
• 2023: Michael Wejchert, Hidden Mountains: Survival and Reckoning After a Climb Gone Wrong

History/biography

• 1997: [no award]
• 1998: Vince Welch, Cort Conley and Brad Dimock, The Doing of the Thing: The Brief, Brilliant Whitewater Career of Buzz Holmstrom
• 1999: Sam Keith from the journals and photographs of Richard Proenneke, One Man's Wilderness: An Alaskan Odyssey
• 2000: Peter & Leni Gillman, The Wildest Dream: The Biography of George Mallory
• 2001: Donald Worster, A River Running West: The Life of John Wesley Powell
• 2001: Brad Dimock, Sunk Without a Sound: The Tragic Colorado Honeymoon of Glen and Bessie Hyde
• 2002: Char Miller, Gifford Pinchot and the Making of Modern Environmentalism
• 2002: Jonathan Waterman, Arctic Crossing: One Man's 2,200 Mile Odyssey Among the Inuit
• 2003: Chris Duff, Southern Exposure: A Solo Sea Kayaking Journey Around New Zealand's South Island
• 2003: Rebecca A. Brown, Women on High: Pioneers of Mountaineering
• 2004: Andy Selters, Ways to the Sky: A Historical Guide to North American Mountaineering
• 2005: Neal Petersen with William P. Baldwin and Patty Fulcher, Journey of a Hope Merchant: From Apartheid to the Elite World of Solo Yacht Racing
• 2005: Arlene Blum, Breaking Trail: A Climbing Life
• 2006: Eric Blehm, The Last Season
• 2007: Brad Dimock, The Very Hard Way: Bert Loper and the Colorado River
• 2007: James M. Tabor, Forever on the Mountain: The Truth Behind One of Mountaineering's Most Controversial and Mysterious Disasters
• 2008: Maurice Isserman and Stewart Weaver, Fallen Giants: A History of Himalayan Mountaineering from the Age of Empire to the Age of Extremes
• 2008: Elias Butler and Tom Myers, Grand Obsession: Harvey Butchart and the Exploration of the Grand Canyon
• 2009: Douglas Brinkley, Wilderness Warrior: Theodore Roosevelt and the Crusade for America
• 2010: Joseph E. Taylor III, Pilgrims of the Vertical: Yosemite Rock Climbers & Nature at Risk
• 2010: Jennifer Jordan, The Last Man on the Mountain: The Death of an American Adventurer on K2
• 2010: Glyn Williams, Arctic Labyrinth: The Quest for the Northwest Passage
• 2011: Dominic Gill, Take a Seat: One Man, One Tandem and Twenty Thousand Miles of Possibilities
• 2011: Edward J. Larson, An Empire of Ice: Scott, Shackleton, and the Heroic Age of Antarctic Science
• 2012: Peter Zuckerman and Amanda Padoan, Buried in the Sky: The Extraordinary Story of the Sherpa Climbers on K2's Deadliest Day
• 2012: Jo Deurbrouck, Anything Worth Doing: A True Story of Adventure, Friendship and Tragedy on the Last of the West's Great Rivers
• 2013: Kevin Fedarko, The Emerald Mile: The Epic Story of the Fastest Ride in History Through the Heart of the Grand Canyon
• 2014: Ben Montgomery, Grandma Gatewood's Walk: The Inspiring Story of the Woman Who Saved the Appalachian Trail
• 2015: Sean Prentiss, Finding Abbey: The Search for Edward Abbey and His Hidden Desert Grave
• 2016: Mick Conefrey, The Ghosts of K2: The Epic Saga of the First Ascent
• 2016: Maurice Isserman, Continental Divide: A History of American Mountaineering
• 2016: Glen Denny, Valley Walls: A Memoir of Climbing & Living in Yosemite
• 2017: Bernadette McDonald, Art of Freedom: The Life and Climbs of Voytek Kurtyka
• 2018: Edward J. Larson, To the Edges of the Earth: 1909, the Race for the Three Poles
• 2018: Max McCoy, Elevations: A Personal Exploration of the Arkansas River
• 2019: Julie Hauserman: Drawn to the Deep: The Remarkable Underwater Explorations of Wes Skiles
• 2019: John Taliaferro, Grinnell: America's Environmental Pioneer and his Restless Drive to Save the West
• 2020: Scott Ellsworth, The World Beneath Their Feet: Mountaineering Madness and the Deadly Race to Summit the Himalayas
• 2020: Buddy Levy, Labyrinth of Ice: The Triumphant and Tragic Greely Polar Expedition
• 2021: Jennifer Hull, Shook: An Earthquake, a Legendary Mountain Guide, and Everest’s Deadliest Day
• 2022: Rick Ridgeway, A Life Lived Wild: Adventures at the Edge of the Map
• 2022: Lowell Skoog, Written in the Snows: Across Time on Skis in the Pacific Northwest
• 2023: Melissa L. Sevigny, Brave the Wild River: The Untold Story of Two Women Who Mapped the Botany of the Grand Canyon
• 2023: Buddy Levy, Empire of Ice and Stone: The Disastrous and Heroic Voyage of the Karluk

Outdoor classic

• 1997: [no award]
• 1998: Don Graydon and Kurt Hanson, Mountaineering: The Freedom of the Hills
• 1998: Margaret Murie, Two in the Far North
• 1999: John J. Rowlands, Henry B. Kane (illus.), Cache Lake Country: Life in the North Woods
• 2000: Aldo Leopold, A Sand County Almanac
• 2001: Roderick Nash, Wilderness and the American Mind
• 2002: Laura Waterman and Guy Waterman, Backwoods Ethics: A Guide to Low-Impact Camping and Hiking
• 2003: Richard E. Byrd, Alone
• 2004: Henry David Thoreau, Jeffrey S. Cramer (ed.), Walden
• 2005: Lifetime Achievement Recognition: Farley Mowat for Sea of Slaughter, Never Cry Wolf and other works.
• 2006: P. G. Downes, Sleeping Island: A Journey to the Edge of the Barrens
• 2007: Donald Culross Peattie, A Natural History of North American Trees
• 2008: Thomas Winnett, Ben Schifrin, Jeffrey Schaffer, Ruby Johnson Jenkins and Andy Selters, Pacific Crest Trail (series). In three volumes: Southern California, Northern California and Oregon & Washington
• 2008: Ellsworth L. Kolb, Through the Grand Canyon from Wyoming to Mexico
• 2009: William Nealy, Kayak: The New Frontier
• 2009: Steve Sherman and Julia Older, Appalachian Odyssey: Walking the Trail from Georgia to Maine
• 2010: Maurice Herzog, Annapurna: First Conquest of an 8,000-Meter Peak
• 2011: Lifetime Achievement Recognition: John Muir for My First Summer in the Sierra and other works.
• 2012: [no award]
• 2013: Thomas F. Hornbein, Everest: The West Ridge
• 2014: Nicholas Howe, Not Without Peril: 150 Years of Misadventure on the Presidential Range of New Hampshire
• 2015: Ernest Thompson Seton, Wahb: The Biography of a Grizzly
• 2016: Michael P. Ghiglieri and Thomas M. Myers, Over the Edge: Death in Grand Canyon
• 2017: Kenn Kaufman, Kingbird Highway: The Biggest Year in the Life of an Extreme Birder
• 2018: Claudia Pearson (editor), Mike Clelland (illus.), NOLS Cookery
• 2019: Mark Elbroch and Casey McFarland, Mammal Tracks and Sign: A Guide to North American Species
• 2020: Kim Heacox, The Only Kayak:  A Journey Into the Heart of Alaska
• 2021: Elizabeth Wenk and Mike White, Sierra South / Sierra North
• 2022: Steve Roper, Camp 4: Recollections of a Yosemite Rockclimber
• 2023: Thomas F. Hornbein, Everest: The West Ridge

Nature and the environment

• 1997: [no award]
• 1998: Tim Palmer, The Columbia: Sustaining a Modern Resource
• 1998: L. David Mech, The Arctic Wolf: Ten Years with the Pack
• 1999: Tim McNulty, Pat O'Hara (photographs), Washington's Mount Rainier National Park: A Centennial Celebration
• 1999: Phillip Manning, Islands of Hope: Lessons from North America's Great Wildlife Sanctuaries
• 2000: Terry Grosz, Wildlife Wars: The Life and Times of a Fish and Game Warden
• 2000: Kevin Schafer, Penguin Planet: Their World, Our World
• 2001: Andrew Beattie and Paul R. Ehrlich, Wild Solutions: How Biodiversity is Money in the Bank
• 2001: Terry Grosz, For Love of Wildness: The Journal of a U.S. Game Management Agent
• 2001: Douglas Steakley, Ric Masten (poetry), Pacific Light: Images of the Monterey Peninsula
• 2002: Ted Steinberg, Down to Earth: Nature's Role in American History
• 2002: Alexandra Morton, Listening to Whales: What the Orcas Have Taught Us
• 2002: Thomas Wiewandt and Maureen Wilks, The Southwest Inside Out: An Illustrated Guide to the Land and Its History
• 2003: Gregory S. Stone, Ice Island: Expedition to Antarctica's Largest Iceberg
• 2004: Kenneth G. Libbrecht, Patricia Rasmussen (photography), The Snowflake: Winter's Secret Beauty
• 2005: James R. Spotila, Sea Turtles: A Complete Guide to Their Biology, Behavior, and Conservation
• 2006: David Attenborough, Life in the Underground
• 2006: David Zurick and Julsun Pacheco, Illustrated Atlas of the Himalaya
• 2006: Wayne Ranney, Carving Grand Canyon: Evidence, Theories, and Mystery
• 2007: Sophie A. H. Osborn, Condors in Canyon Country: The Return of the California Condor to the Grand Canyon Region
• 2007: Francis Latreille, White Paradise: Journeys to the North Pole
• 2008: Steven Kazlowski, The Last Polar Bear: Facing the Truth of a Warming World
• 2008: Wayne Grady, The Great Lakes: The Natural History of a Changing Region
• 2009: Yann Arthus-Bertrand, Our Living Earth
• 2009: Michael Welland, Sand: The Never Ending Story
• 2010: Mark W. Moffett, Adventures Among Ants: A Global Safari With a Cast of Trillions
• 2011: Nancy Ross Hugo, Robert Llewellyn (photo), Seeing Trees: Discover the Extraordinary Secrets of Everyday Trees
• 2012: Michael Collier, The Melting Edge: Alaska at the Frontier of Climate Change
• 2012: Carol Gracie, Spring Wildflowers of the Northeast: A Natural History
• 2012: Andrew E. Derocher, Wayne Lynch (photo), Polar Bears: A Complete Guide to Their Biology and Behavior
• 2013: Krista Schlyer, Continental Divide: Wildlife, People and the Border Wall
• 2013: Nancy Bauer, The California Wildlife Habitat Garden: How to Attract Bees, Butterflies, Birds and Other Animals
• 2013: David Moskowitz, Wolves in the Land of Salmon
• 2014: Bruce L. Smith, Life on the Rocks: A Portrait of the American Mountain Goat
• 2014: Stan Tekiela, Feathers: A Beautiful Look at a Bird's Most Unique Feature
• 2015: Tony Angell, The House of Owls
• 2015: Noah Wilson-Rich, The Bee: A Natural History
• 2015: Errol Fuller, The Passenger Pigeon
• 2016: Lori Weidenhammer, Victory Gardens for Bees: A DIY Guide to Saving the Bees
• 2017: Anurag Agrawal, Monarchs and Milkweed
• 2017: Günther Bloch, The Pipestone Wolves: The Rise and Fall of a Wolf Family
• 2018: Alvin R. Breisch, Matt Patterson (illus.), The Snake and the Salamander: Reptiles and Amphibians from Maine to Virginia
• 2019: Krista Schlyer, River of Redemption: Almanac of Life on the Anacostia
• 2020: David A. Steen, Secrets of Snakes: The Science Beyond the Myths.
• 2020: Tim Palmer, America's Great Mountain Trails: 100 Highcountry Hikes of a Lifetime
• 2021: Lynda V. Mapes, Orca: Shared Waters, Shared Home
• 2022: Pete McBride,  Seeing the Silence: The Beauty of the World’s Most Quiet Places
• 2023: Eric Lee-Mäder, Beverly Duncan (illus.), The Milkweed Lands: An Epic Story of One Plant Its Nature and Ecology
• 2023: Dave Showalter, Living River: The Promise of the Mighty Colorado

Natural history literature

• 1997-2004: [no award]
• 2005: Alan Burdick, Out of Eden: An Odyssey of Ecological Invasion
• 2006: John Nielsen, Condor: To the Brink and Back
• 2007: Robert Michael Pyle, Sky Time in Gray's River: Living for Keeps in a Forgotten Place
• 2007: Michael Punke, Last Stand: George Bird Grinnell, the Battle to Save the Buffalo, and the Birth of the New West
• 2008: Susan Freinkel, The American Chestnut: The Life, Death, and Rebirth of a Perfect Tree
• 2009: Rob Dunn, Every Living Thing: Man's Obsessive Quest to Catalog Life, from Nanobacteria to New Monkeys
• 2010: Anders Halverson, An Entirely Synthetic Fish: How Rainbow Trout Beguiled America and Overran the World
• 2010: Elisabeth Tova Bailey, The Sound of a Wild Snail Eating
• 2011: Bill Belleville, Salvaging the Real Florida: Lost and Found in the State of Dreams
• 2012: David George Haskell, The Forest Unseen: A Year's Watch in Nature
• 2013: Aarin Hirsh, Telling Our Way to the Sea: A Voyage of Discovery in the Sea of Cortez
• 2013: Akiko Busch, The Incidental Steward: Reflections on Citizen Science
• 2014: Julian Hoffman, The Small Heart of Things: Being at Home in a Beckoning World
• 2015: Diane Ackerman, The Human Age: The World Shaped By Us
• 2015: Helen Macdonald, H is for Hawk
• 2016: Drew Harvell, A Sea of Glass: Searching for the Blaschkas’ Fragile Legacy in an Ocean at Risk
• 2017: Jonathan White, Tides: The Science and Spirit of the Ocean
• 2018: Bernd Heinrich, A Naturalist at Large: The Best Essays of Bernd Heinrich
• 2018: Elizabeth Rush, Rising: Dispatches from the New American Shore
• 2019: Peter Wohlleben, The Secret Wisdom of Nature: Trees, Animals, and All Living Things
• 2019: Robert Macfarlane, Underland: A Deep Time Journey
• 2019: Christopher Ketcham, This Land: How Cowboys, Capitalism, are Ruining the American West
• 2020: Patrik Svensson, The Book of Eels: Our Enduring Fascination with the Most Mysterious Creature in the Natural World 
• 2021: Suzanne Simard, Finding the Mother Tree: Discovering the Wisdom of the Forest
• 2021: Jonathan Balcombe, Super Fly: The Unexpected Lives of the World’s Most Successful Insects
• 2021: Helen Macdonald, Vesper Flights
• 2022: Seth Kantner, A Thousand Trails Home: Living with Caribou
• 2023: Dan Flores, Wild New World: The Epic Story of Animals & People in America
• 2023: Hanne Strager, Paul Nicklen (photography), The Killer Whale Journals: Our Love and Fear of Orcas

Children's

• 1997: [no award]
• 1998: [no award]
• 1999: Mary Wallace, The Inuksuk Book
• 2000: Twig C. George, Jellies: The Life of Jellyfish
• 2000: Ann Dixon, Evon Zerbetz (illus.), Blueberry Shoe
• 2001: Nancy White Carlstrom, Tim Ladwig (illus.), What Does the Sky Say?
• 2001: Bruce Hiscock, Coyote and Badger: Desert Hunters of the Southwest
• 2002: Jane Yolen, Jason Stemple (photos), Wild Wings: Poems for Young People
• 2002: Mia Posada, Ladybugs: Red, Fiery and Bright
• 2003: Gloria Whelan, Gijsbert van Frankenhuyzen (illus.), Jam & Jelly by Holly & Nellie
• 2003: Ellen Stoll Walsh, Dot and Jabber and the Big Bug Mystery
• 2004: Mary Ann Hoberman, Jane Dyer (illus.), Whose Garden Is It?
• 2005: Sharon Lovejoy, The Little Green Island with a Little Red House: A Book of Colors and Critters
• 2005: Lois Ehlert, The Leaf Man
• 2006: Robbyn Smith van Frankenhuysen, Gijsbert van Frankenhuysen (illus.), Kelly of Hazel Ridge
• 2006: Lee Welles, Gaia Girls Enter the Earth
• 2007: Roland Smith, Peak
• 2008: Eric Walters, The Pole
• 2009: Laura Goering, Whistling Wings
• 2009: S. Terrell French, Operation Redwood
• 2010: Ginger Wadsworth, Karen Dugan (illus.), Camping With the President
• 2010: Mary Morton Cowan, Captain Mac: The Life of Donald Baxter MacMillan, Arctic Explorer
• 2011: Nikki McClure, To Market, To Market
• 2011: Judy Burris and Wayne Richards, The Secret Lives of Backyard Bugs
• 2012: Peggy Thomas, Laura Jacques (illus.), For the Birds: The Life of Roger Tory Peterson
• 2013: Patti Wheeler and Keith Hemstreet, Travels with Gannon and Wyatt: Botswana
• 2013: Stacy Tornio and Ken Keffer, The Kid's Outdoor Adventure Book: 448 Great Things to Do in Nature Before You Grow Up
• 2014: Elizabeth S. Varnai, Kate Hartley (illus.), Good Morning Loon
• 2015: Nancy Plain, This Strange Wilderness: The Life and Art of John James Audubon
• 2016: Sharon Mentyka, Chasing at the Surface: A Novel
• 2016: Mary Casanova, Wake Up, Island
• 2017: Jonathan London, Sean London (illus.), Pup the Sea Otter
• 2017: Monica Russo, Kevin Byron (photos), Treecology: 30 Activities and Observations for Exploring the World of Trees and Forests
• 2018: Wendy Gorton, Oregon & Washington 50 Hikes With Kids
• 2018: Rob Bierregaard, Kate Garchinsky (illus.), Belle's Journey: An Osprey Takes Flight
• 2018: Stan Tekiela, Elleyna Ruud (illus.), The Kid’s Guide to Birds of Minnesota
• 2019 Stacy Tornio, Jack Tornio, 101 Outdoor Adventures to Have Before You Grow Up
• 2019: Julie Bertagna, William Goldsmith (illus.), Wildheart: The Daring Adventures of John Muir
• 2019: Phyllis Root, The Lost Forest
• 2020: Monica Wiedel-Lubinski and Karen Madigan: Nature Play Workshop for Families: A Guide to 40+ Outdoor Learning Experiences in All Seasons
• 2021: Matt Ritter, Nayl Gonzalez (illus.), Something Wonderful
• 2022: Susan Ewing, Evon Zerbetz (illus.), Alaska is for the Birds! Fourteen Favorite Feathered Friends
• 2023: Becky Cushing Gop, Carrie Shryock (illus.), What Goes On Inside a Beaver Pond?

Design and artistic merit

• 1997: Darcy Williamson, Larry Milligan (cover art), Teresa Sales (design), The Rocky Mountain Foods Cookbook
• 1998: Maurice Hornocker, Andy Lewis (art dir.), Tom Lewis (design), Track of the Tiger
• 1998: Ira Spring, Harvey Manning, Jennifer Shontz (graphics), Marge Mueller (cartography), 100 Classic Hikes in Washington
• 1999: Leonard Adkins, Joe Cook and Monica Cook (photo), Grant M. Tatum (director), Wildflowers of the Appalachian Trail
• 1999: Hanneke Ippisch, Hedvig Rappe-Flowers (illus.), Kim Ericsson (design), Kathleen Ort (ed.), Spotted Bear: A Rocky Mountain Folktale *2008: Guy Motil, Surfboards
• 2000: Bradford Washburn (photo), Antony Decaneas (ed.), Bradford Washburn: Mountain Photography
• 2001: Art Wolfe, The Living Wild
• 2002: Stephen Kirkpatrick (photo), Marlo Carter Kirkpatrick (text), Heidi Flynn Allen (design), Wilder Mississippi
• 2002: Craig Childs, Mary Winkelman Velgos (design), Peter Ensenberger (photo), The Southwest's Contrary Land: Forever Changing Between Four Corners and the Sea of Cortes
• 2003: Tom Blagden, Jr. (photo), Charles R. Tyson, Jr., First Light: Acadia National Park and Maine's Mount Desert Island
• 2004: Michael Collier (photo), Rose Houk (text), Mary Winkelmann Velgos (design), The Mountains Know Arizona
• 2004: Art Wolfe (photo), Art Davidson, Edge of the Earth, Corner of the Sky
• 2005: John Fielder, Mark Mulvany (design), Mountain Ranges of Colorado
• 2006: Tom Vezo (photo), Chuck Hagner, Wings of Spring: Courtship, Nesting and Fledging
• 2006: Jeffrey C. Miller, Daniel H. Janzen, Winifred Hallwachs, 100 Caterpillars
• 2007: Kevin Starr, Steve Roper, Glen Denny, Yosemite in the Sixties
• 2007: Stephen Brown, Arctic Wings: Birds of the Arctic National Wildlife Refuge
• 2008: Susan Hallsten McGarry, Bruce Aiken (paintings), Bruce Aiken's Grand Canyon: An Intimate Affair
• 2008: Ed Cooper, Soul of the Heights: 50 Years Going to the Mountains
• 2009: Lars Jonsson, Lars Jonsson's Birds
• 2010: David A. Patterson, Matt Patterson (illus.), Freshwater Fish of the Northeast
• 2011: Kate Davis, Rob Palmer, Nick Dunlop, Raptors of the West Captured in Photographs
• 2012: David J. Hall, Beneath Cold Seas: The Underwater Wilderness of the Pacific Northwest
• 2013: Brian B. King, The Appalachian Trail: Celebrating America's Hiking Trail
• 2013: David Liittschwager, A World in One Cubic Foot: Portraits of Biodiversity
• 2014: Bruce L. Smith, Life on the Rocks: A Portrait of the American Mountain Goat (tied)
• 2014: Andy Anderson (photography), Tom Rosenbauer (essays), Salt: Coastal and Flats Fishing (tied)
• 2015: Thomas D. Mangelsen (photo) and Todd Wilkinson (text), The Last Great Wild Places: Forty Years of Wildlife Photography by Thomas D. Mangelsen
• 2016: Gerrit Vyn (photo), Jane Jeszeck (design), The Living Bird: 100 Years of Listening to Nature
• 2016: Tom Adler and Evan Backes (design), Dean Fidelman (photo editing), Yosemite in the Fifties: The Iron Age
• 2016: Todd Reed, Brad Reed, Todd and Brad Reed’s Michigan: Wednesdays in the Mitten
• 2017: David Yarrow, Wild Encounters: Iconic Photographs of the World’s Vanishing Animals and Cultures
• 2018: Kathy Love, Noppadol Paothong (photo), Stephanie Thurber and Susan Ferber (design), Sage Grouse: Icon of the West
• 2019: Pete McBride (photos and text), Susi Oberhelman (design), The Grand Canyon: Between River and Rim.
• 2020: Rob Badger and Nita Winter: Beauty and the Beast: California Wildflowers and Climate Change
• 2021: Chase Reynolds Ewald (essay), Audrey Hall (photography), Bison: Portrait of an Icon
• 2022: QT Luong, Our National Monuments: America’s Hidden Gems
• 2022: Jenny deFouw Geuder, Drawn to Birds: A Naturalist’s Sketchbook
• 2023: Thomas D. Mangelsen, Seasons of Yellowstone: Yellowstone and Grand Teton National Parks

Instructional

• 1997: Jonathan Hanson, Roseann Hanson, Ragged Mountain Press Guide to Outdoor Sports
• 1998: Duane Raleigh, Knots and Ropes for Climbers
• 1999: Mark F. Twight, James Martin, Extreme Alpinism: Climbing Light, Fast and High
• 2000: Mark Harvey, The National Outdoor Leadership School's Wilderness Guide
• 2001: Tom Rosenbauer, Rod Walinchus (illus.), Henry Ambrose (photo), The Orvis Fly-Tying Guide
• 2002: Shelley Johnson, The Complete Sea Kayaker's Handbook
• 2002: Paul Deegan, The Mountain Traveller's Handbook
• 2003: Jon Rounds, Wayne Dickert, Skip Brown (photo), Taina Litwak (illus.), Basic Canoeing: All the Skills and Tools You Need to Get Started
• 2004: Craig Luebben, Rock Climbing: Mastering the Basic Skills
• 2005: Andy Tyson, Mike Clelland (illus.), Michael Kennedy (ed.), Glacier Mountaineering: An Illustrated Guide to Glacier Travel and Crevasse Rescue
• 2005: Wayne Dickert, Jon Rounds, Skip Brown (photo), Roberto Sabas (illus.), Basic Kayaking: All the Skills and Gear You Need to Get Started
• 2006: Scott Graham, Extreme Kids: How to Connect with Your Children Through Today's Extreme (and not so extreme) Outdoor Sports
• 2007: Tim Brink, The Complete Mountain Biking Manual
• 2008: Guy Andrews, Road Bike Maintenance
• 2008: Ken Whiting, Kevin Varette, Whitewater Kayaking: The Ultimate Guide
• 2009: Katie Brown, Ben Moon (photo), Girl on the Rocks: A Woman's Guide to Climbing with Strength, Grace and Courage
• 2010: Andrew Bisharat, Sport Climbing: From Top Rope to Redpoint, Techniques for Climbing Success
• 2011: Robin Barton, The Cycling Bible: The Complete Guide for all Cyclists from Novice to Expert
• 2012: Jerry Monkman, AMC Guide to Outdoor Digital Photography: Creating Great Nature and Adventure Photos
• 2012: Kristin Hostetter, Backpacker Magazine's Complete Guide to Outdoor Gear Maintenance and Repair: Step by Step Techniques to Maximize Performance and Save Money
• 2013: Mike Zawaski, Snow Travel: Skills for Climbing, Hiking, and Moving Across Snow
• 2014: Steve House, Scott Johnston, Training for the New Alpinism: A Manual for the Climber as Athlete
• 2014: Yvon Chouinard, Craig Mathews and Mauro Mazzo, Simple Fly Fishing: Techniques for Tenkara and Rod & Reel
• 2015: Nate Ostis, NOLS River Rescue Guide
• 2016: Dave Hall with Jon Ulrich, Winter in the Wilderness: A Field Guide to Primitive Survival Skills
• 2017: Liz Thomas, Backpacker Long Trails: Mastering the Art of the Thru-hike
• 2017: Charles R. Farabee, Big Walls, Swift Waters: Epic Stories from Yosemite Search and Rescue
• 2018: Molly Absolon, The Ultimate Guide to Whitewater Rafting and River Camping
• 2019 Steve House, Scott Johnston and Kilian Jornet, Training for the Uphill Athlete: A Manual for Mountain Runners and Ski Mountaineers
• 2020: Maria Hines and Mercedes Pollmeier: Peak Nutrition: Smart Fuel for Outdoor Adventure
• 2020: Pete Whittaker: Crack Climbing: The Definitive Guide
• 2021-2023: [no award]

Nature guidebook

• 1997: Mark Stensaas, Jeff Sonstegard (illus.), Canoe Country Flora
• 1998: Alan Tennant, A Field Guide to Snakes of Florida
• 1998: Stephen R. Jones, Ruth Carol Cushman, Colorado Nature Almanac
• 1999: James Halfpenny, Todd Telander (illus.), Dana Kim-Wincapaw (design), Scats and Tracks of the Rocky Mountains: A Field Guide to the Signs of 70 Wildlife Species
• 2000: Kate Wynne & Malia Schwartz, Garth Mix (illus.), Guide to Marine Mammals & Turtles of the U.S. Atlantic and Gulf of Mexico
• 2001: Jeffrey Glassberg, Butterflies Through Binoculars: A Field Guide to the Butterflies of Western North America
• 2001: Scott Weidensaul, The Raptor Almanac: A Comprehensive Guide to Eagles, Hawks, Falcons, and Vultures
• 2002: Irwin M. Brodo, Sylvia Duran Sharnoff, Stephen Sharnoff, Lichens of North America
• 2002: Mark Elbroch, Eleanor Marks, Bird Tracks & Sign: A Guide to North American Species
• 2003: Mark Elbroch, Mammal Tracks and Sign: A Guide to North American Species
• 2003: Milton S. Love, Mary Yoklavich, Lyman Thorsteinson, The Rockfishes of the Northeast Pacific
• 2004: Kurt Mead, Dragonflies of the North Woods
• 2005: Whit Gibbons, Mike Dorcas, Snakes of the Southeast
• 2005: Laura Riley, William Riley, Nature's Strongholds: The World's Great Wildlife Reserves
• 2006: Charissa Reid, Yellowstone Expedition Guide: The Modern Way to Explore America's Oldest National Park
• 2006: David L. Wagner, Caterpillars of Eastern North America
• 2007: Robin L. Restall, Clemencia Rodner, Miguel Lentino, Birds of Northern South America: An Identification Guide
• 2008: Tomas S. Schulenberg, Douglas F. Stotz, Daniel F. Lane, John P. O'Neill, Theodore A. Parker III, Birds of Peru
• 2009: Roger Tory Peterson, Peterson Field Guide to Birds of North America
• 2009: Dennis Paulson, Dragonflies and Damselflies of the West*2010: Charley Eiseman, Noah Charney, Tracks and Sign of Insects and Other Invertebrates: A Guide to North American Species
• 2010: Jonathan Poppele, Night Sky: A Field Guide to the Constellations
• 2010: Steven N. G. Howell, Molt in North American Birds
• 2011: Mary Holland, Naturally Curious: A Photographic Field Guide Through the Fields, Woods and Marshes of New England ^[6]
• 2012: Noble S. Proctor, Patrick J. Lynch, A Field Guide to the Southeast Coast & Gulf of Mexico
• 2013: Jeffrey E. Belth, Butterflies of Indiana: A Field Guide
• 2013: Richard Crossley, Jerry Liguori and Brian Sullivan, The Crossley ID Guide: Raptors
• 2013: Kurt F. Johnson, The Field Guide to Yellowstone and Grand Teton National Parks
• 2014: Tom Stephenson, Scott Whittle, The Warbler Guide
• 2015: Kate Wynne and Garth Mix (illus.), Guide to Marine Mammals and Turtles of the U.S. Pacific
• 2015: Arthur V. Evans, Beetles of Eastern North America
• 2016: Teresa Marrone and Walt Sturgeon, Mushrooms of the Northeast: A Simple Guide to Common Mushrooms
• 2016: Louis D. Druehl and Bridgette E. Clarkston, Pacific Seaweeds: A Guide to the Common Seaweeds of the West Coast
• 2017: Mike Krebill, The Scout's Guide to Wild Edibles
• 2017: James L. Monroe, David M. Wright, Butterflies of Pennsylvania: A Field Guide
• 2018: Robert Michael Pyle, Caitlin C. LaBar, Butterflies of the Pacific Northwest
• 2019 Jeffrey H. Skevington and Michelle M. Locke, Field Guide to the Flower Flies of Northeastern North America
• 2019: Laura Cotterman, Damon Waitt and Alan Weakley, Wildflowers of the Atlantic Southeast
• 2020: Douglas Kent: Foraging Southern California: 118 Nutritious, Tasty and Abundant Foods
• 2021: Patrick J. Lynch, A Field Guide to the Mid-Atlantic Coast
• 2022: Olivia Messinger Carril and Joseph S. Wilson, Common Bees of Eastern North America
• 2023: Samuel Thayer, Sam Thayer's Field Guide to Edible Plants of Eastern & Central North America
• 2023: John Kallas, Edible Wild Plants: Wild Foods from Foraging to Feasting (Vol 2)

Outdoor adventure guidebook

• 1997: [no award]
• 1998: Tom Lorang Jones, John Fielder (photo), Colorado's Continental Divide Trail
• 1999: John Ross, Jeff Wincapaw (art dir.), Trout Unlimited's Guide to America's 100 Best Trout Streams
• 1999: Marty Basch, Vermont and New Hampshire Winter Trails
• 2000: Roger Schumann, Jan Shriner, Guide to Sea Kayaking Central and Northern California
• 2000: Lynna Howard, Montana and Idaho's Continental Divide Trail
• 2001: Mark Kroese, Fifty Favorite Climbs: The Ultimate North American Tick List
• 2001: Bill Burnham, Mary Burnham, Hike America Virginia: An Atlas of Virginia's Greatest Hiking Adventures
• 2001: Matt Heid, 101 Hikes in Northern California: Exploring Mountains, Valleys, and Seashore
• 2002: John Mock, Kimberley O'Neil, Hiking the Sierra Nevada
• 2002: Michael Wood, Colby Coombs, Alaska: A Climbing Guide
• 2003: Marc J. Soares, 100 Hikes in Yosemite National Park
• 2003: Mike Woodmansee, Trekking Washington
• 2003: Rich Landers, 100 Hikes in the Inland Northwest: Eastern Washington, Northern Rockies, Wallowas
• 2004: Douglas Lorain, 100 Classic Hikes in Oregon
• 2005: Andrew Dean Nystrom, Top Trails Yellowstone and Grand Teton National Parks
• 2005: Roxanna Brook, Jared McMillen, Red Rock Canyon: A Climbing Guide
• 2005: Eric J. Newell, Allison J. Newell, Idaho's Salmon River: A River Runner's Guide to the River of No Return
• 2006: Matt Leidecker, The Middle Fork of the Salmon River: A Comprehensive Guide
• 2007: Tom Martin, Duwain Whitis, Guide to the Colorado River in the Grand Canyon
• 2008: Bill Burnham, Mary Burnham, Florida Keys Paddling Atlas
• 2009: Duwain Whitis, Barbara Vinson, Guide to the Green and Yampa Rivers in Dinosaur National Monument
• 2009: Dave Eckardt, The Guide to Baja Sea Kayaking
• 2010: Greg Witt, Exploring Havasupai: A Guide to the Heart of the Grand Canyon
• 2011: Paul W. Bauer, The Rio Grande: A River Guide to the Geology and Landscapes of Northern New Mexico
• 2012: Todd Martin, Grand Canyoneering: Exploring the Rugged Gorges and Secret Slots of the Grand Canyon
• 2013: Michael Joseph Oswald, Your Guide to the National Parks: The Complete Guide to All 58 National Parks
• 2014: Joe Cook, Chattahoochee River User's Guide
• 2015: Tim Palmer, Field Guide to Oregon Rivers
• 2015: Rick Weber, Muir Valley Pocket Guide
• 2016: Dolores Kong and Dan Ring, Hiking Acadia National Park: A Guide to the Park's Greatest Hiking Adventures
• 2017: Jerry and Marcy Monkman, Outdoor Adventures, Acadia National Park: Your Guide to the Best Hiking, Biking and Paddling
• 2018: Damon Corso, Discovering the John Muir Trail: An Inspirational Guide to America's Most Beautiful Hike
• 2019: Matt Johanson, Sierra Summits: A Guidet to Fifty Peak Experiences in California's Range of Light
• 2019: Ann Marie Brown, 150 Nature Hot Spots in California: The Best Parks, conservation Areas and Wild Places
• 2020: Aaron R. Reed, The Local Angler Fly Fishing Austin & Central Texas
• 2020: Tracy Salcedo: Hiking Lassen Volcanic National Park: A Guide to the Park's Greatest Hiking Adventures
• 2021: Luc Mehl, Illustrations by Sarah K. Glaser, The Packraft Handbook:  An Instructional Guide for the Curious
• 2022: James Kaiser, Rocky Mountain National Park: The Complete Guide
• 2022: Diana Helmuth, illustrations by Latasha Dunston, How to Suffer Outside: A Beginner’s Guide to Hiking and Backpacking
• 2023: Jeremy Jones, The Art of Shralpinism: Lessons from the Mountains
• 2023: Robert H. McConnell, Fly Fishing Houston & Southeastern Texas

Works of significance

• 1997–1998: [no award]
• 1999: Karl Rohnke, Cowstails and Cobras II: A Guide to Games, Initiatives, Ropes Courses, & Adventure Curriculum
• 1999: John Hart, Walking Softy in the Wilderness: The Sierra Club Guide to Backpacking
• 1999: William Nealy, Kayaking: An Animated Guide of Intermediate and Advanced Whitewater Technique
• 1999: John Long, How to Rock Climb
• 1999: Derek Hutchinson, Expedition Kayaking
• 2000–2002: [no award]
• 2003: Gene Daniell, Steven D. Smith, AMC White Mountain Guide: Hiking Trails of the White Mountain National Forest
• 2004–2006: [no award]
• 2007: Ann T. Colson (ed.), Connecticut Walk Book: The Guide to the Blue-Blazed Hiking Trails of Western Connecticut
• 2008–2013: [no award]
• 2014: Robert Birkby, Fieldbook: Scouting’s Manual of Basic and Advanced Skills for Outdoor Adventure (4th edition)
• 2015-2023: [no award]