| year of publication | ISBN | author(s) | title |
|---|
| 1987 | 978-1-55566-019-2 | Joe Back | Back Country: Two Tales by Joe Back |
| 1988 | 978-1-55566-032-1 | George V. Fagan | The Air Force Academy: An Illustrated History |
| 1989 | 978-1-55566-036-9 | James C. Halfpenny · Roy Douglas Ozanne | Winter: An Ecological Handbook |
| '' | 978-1-55566-054-3 | James McTighe | Roadside History of Colorado |
| 1990 | 978-1-55566-065-9 | Jan Pettit | Utes: The Mountain People |
| '' | 978-1-55566-071-0 | James C. Burbank | Vanishing Lobo: The Mexican Wolf and the Southwest |
| 1991 | 978-1-55566-077-2 | Jim Knopf | The Xeriscape Flower Gardener: A Waterwise Guide for the Rocky Mountain Region |
| 1992 | 978-1-55566-089-5 | Cornelia Fleischer Mutel · John C. Emerick | From Grassland to Glacier: The Natural History of Colorado and the Surrounding Region |
| '' | 978-1-55566-091-8 | Alex Patterson | A Field Guide to Rock Art Symbols of the Greater Southwest |
| '' | 978-1-55566-099-4 | Grover S Krantz | Big Foot-Prints: A Scientific Inquiry into the Reality of Sasquatch |
| 1993 | 978-1-55566-113-7 | Barry Reynolds · John Berryman | Pike on the Fly: The Flyfishermans Guide to Northerns, Tigers, and Muskies (Spring Creek Pr Bk) |
| 1993 | 978-1-55566-117-5 | Warren Witherell · David Evrard | The Athletic Skier |
| '' | 978-1-55566-118-2 | Mark Rashid | Considering the Horse: Tales of Problems Solved and Lessons Learned |
| 1994 | 978-1-55566-133-5 | Louisa Ward Arps · Elinor Eppich Kingery · Hugh E. Kingery | High Country Names: Rocky Mountain National Park and the Indian Peaks |
| 1995 | 978-1-55566-140-3 | Jon M. Cosco | Echo Park (Colorado): Struggle for Preservation |
| 1994 | 978-1-55566-141-0 | Joe Back | Horses, Hitches and Rocky Trails |
| 1996 | 978-1-55566-142-7 | Mark Rashid | A Good Horse Is Never a Bad Color |
| 1995 | 978-1-55566-150-2 | Anthony J. Route | Flyfishing Alaska |
| '' | 978-1-55566-152-6 | Kim Long | Squirrels: A Wildlife Handbook (Johnson Nature Series) |
| 1996 | 978-1-55566-166-3 | Anne Bruner Eales | Army Wives on the American Frontier: Living by the Bugles |
| 1989 | 978-1-55566-171-7 | Ann Zwinger · Beatrice E. Willard | Land Above the Trees: A Guide to American Alpine Tundra |
| 1997 | 978-1-55566-186-1 | Barry Reynolds · Brad Befus · John Berryman | Carp on the Fly: A Flyfishing Guide |
| '' | 978-1-55566-191-5 | Thomas Maier | Newhouse: All the Glitter, Power, & Glory of America's Richest Media Empire & the Secretive Man Behind It |
| '' | 978-1-55566-193-9 | E. Steve Cassells | The Archaeology of Colorado |
| 1997 | 978-1-55566-202-8 | Jessica Kerr | Shakespeare's Flowers |
| '' | 978-1-55566-203-5 | Porter Bibb | Ted Turner: It Ain't As Easy as It Looks: A Biography |
| '' | 978-1-55566-204-2 | Colorado Mountain Club · Ania Savage | The Colorado Mountain Club Pocket Guide to the Colorado 14Ers |
| '' | 978-1-55566-209-7 | Varian Fry | Surrender on Demand |
| 1999 | 978-1-55566-212-7 | Steve Ilg | The Winter Athlete: Secrets of Wholistic Fitness for Outdoor Performance |
| 1998 | 978-1-55566-225-7 | David Petersen | Elkheart: A Personal Tribute to Wapiti and Their World |
| '' | 978-1-55566-227-1 | Merrill Gilfillan | Chokecherry Places: Essays from the High Plains |
| 1998 | 978-1-55566-230-1 | Kim Long | The Moon Book: Fascinating Facts About the Magnificent, Mysterious Moon |
| 1999 | 978-1-55566-237-0 | Kristen Iversen | Molly Brown: Unraveling the Myth |
| '' | 978-1-55566-240-0 | Hiram Rogers | Exploring the Black Hills and Badlands: A Guide for Hikers, Cross-Country Skiers, & Mountain Bikers |
| '' | 978-1-55566-246-2 | Terry Grosz | Wildlife Wars: The Life and Times of a Fish and Game Warden |
| '' | 978-1-55566-248-6 | Stephen Keating | Cutthroat: High Stakes & Killer Moves on the Electronic Frontier |
| 2000 | 978-1-55566-249-3 | Mark Rashid | Horses Never Lie: The Heart of Passive Leadership |
| 1999 | 978-1-55566-250-9 | Charles F. Wilkinson | The Eagle Bird: Mapping a New West |
| 2000 | 978-1-55566-251-6 | Kim Long | Beavers: A Wildlife Handbook (Johnson Nature Series) |
| '' | 978-1-55566-257-8 | Grace Marmor Spruch · Nurit Karlin | Squirrels at My Window: Life With a Remarkable Gang of Urban Squirrels |
| 2000 | 978-1-55566-264-6 | Terry Grosz | For Love of Wildness: The Journal of a U.S. Game Management Agent |
| '' | 978-1-55566-272-1 | David Quammen | Blood Line: Stories of Fathers and Sons |
| 2001 | 978-1-55566-273-8 | David Petersen | Writing Naturally: A Down-To-Earth Guide to Nature Writing |
| 2002 | 978-1-55566-279-0 | Ann Zwinger | Beyond the Aspen Grove |
| '' | 978-1-55566-280-6 | Joyce Gellhorn | Song of the Alpine: The Rocky Mountain Tundra Through the Seasons |
| '' | 978-1-55566-281-3 | Terry Grosz | A Sword for Mother Nature: The Further Adventures of a Fish and Game Warden |
| 2003 | 978-1-55566-283-7 | Mark Rashid | Life Lessons from a Ranch Horse |
| '' | 978-1-55566-284-4 | Shannon K. Jacobs | Healers of the Wild: Rehabilitating Injured and Orphaned Wildlife |
| 2003 | 978-1-55566-285-1 | Betty Lynne Hull | Denver's Elitch Gardens: Spinning a Century of Dreams |
| '' | 978-1-55566-286-8 | Edward Abbey | Black Sun: A Novel |
| '' | 978-1-55566-287-5 | Edward Abbey · David Petersen | Confessions of a Barbarian: Selections from the Journals of Edward Abbey |
| '' | 978-1-55566-289-9 | Janet L. Wingate · Loraine Yeatts | Alpine Flower Finder: The Key to Rocky Mountain Wildflowers Found Above Timberline |
| 2004 | 978-1-55566-291-2 | Barry Reynolds | Mastering Pike on the Fly: STRATEGIES AND TECHNIQUES |
| 2003 | 978-1-55566-295-0 | David Petersen | Heartsblood: Hunting, Spirituality, and Wildness in America |
| '' | 978-1-55566-296-7 | Merrill Gilfillan | Rivers & Birds |
| 2003 | 978-1-55566-298-1 | Terry Grosz | No Safe Refuge: Man As Predator in the World of Wildlife |
| 2001 | 978-1-55566-307-0 | Ruth M. Wright · Alfredo Valencia Zegarra | The Machu Picchu Guidebook: A Self-Guided Tour |
| '' | 978-1-55566-311-7 | Bruce Berger | Music in the Mountains: The First Fifty Years of the Aspen Music Festival |
| '' | 978-1-55566-316-2 | Terry Grosz | Defending Our Wildlife Heritage: The Life and Times of a Special Agent |
| 2002 | 978-1-55566-318-6 | Scott Roederer | Birding: Rocky Mountain National Park |
| 2003 | 978-1-55566-319-3 | Andrea Peacock | Libby, Montana: Asbestos and the Deadly Silence of an American Corporation |
| 2004 | 978-1-55566-327-8 | Ruth M. Wright · Alfredo Valencia Zegarra | The Machu Picchu Guidebook: A Self-Guided Tour |
| '' | 978-1-55566-328-5 | David Helvarg | The War Against the Greens: The "Wise-Use" Movement, the New Right, and the Browning of America |
| '' | 978-1-55566-331-5 | Philip L. Fradkin | Fallout: An American Nuclear Tragedy |
| 2004 | 978-1-55566-335-3 | Michael C. Yager | Horse Trails of Arizona: Mountain Trails and Camps |
| 2005 | 978-1-55566-340-7 | Jerome Malitz | Rocky Mountain National Park Dayhiker's Guide |
| 2006 | 978-1-55566-346-9 | Julie Hoffman Marshall | Making Burros Fly: Cleveland Amory, Animal Rescue Pioneer |
| 2004 | 978-1-55566-348-3 | Terry Grosz | The Thin Green Line: Outwitting Poachers, Smugglers, And Market Hunters |
| 2005 | 978-1-55566-349-0 | John Lehndorff | Denver Dines: A Restaurant Guide And More |
| 2004 | 978-1-55566-350-6 | Howard Ensign Evans · Mary Alice Evans | The Man Who Loved Wasps: A Howard Ensign Evans Reader |
| 2005 | 978-1-55566-351-3 | Leslie Angel | Butterflies Of Rocky Mountain National Park: An Observer's Guide |
| 2007 | 978-1-55566-352-0 | Richard Bailowitz · Hank Brodkin | Finding Butterflies in Arizona: A Guide to the Best Sites |
| 2005 | 978-1-55566-353-7 | Roland H. Wauer | The American Kestrel: Falcon Of Many Names |
| 2004 | 978-1-55566-356-8 | Drew Litton | Give My Regards To Elway: A Cartoon Tribute To John Elway |
| 2005 | 978-1-55566-364-3 | Mark Rashid | Horsemanship Through Life |
| '' | 978-1-55566-365-0 | Mark Udall · Gary Wockner · Gregory McNamee · Sueellen Campbell | Comeback Wolves: Western Writers Welcome the Wolf Home |
| 2006 | 978-1-55566-366-7 | Roland H. Wauer | Finding Butterflies in Texas: A Guide to the Best Sites |
| 2005 | 978-1-55566-367-4 | Enos Abijah Mills · James H. Pickering | Enos Mills' Colorado |
| 2006 | 978-1-55566-371-1 | Thomas Reed Petersen · Annie Proulx | Road Runs Through It: Reviving Wild Places |
| '' | 978-1-55566-373-5 | Terry Grosz | Genesis of a Duck Cop: Memories & Milestones |
| '' | 978-1-55566-374-2 | Pat Hagan | Seasonal Disorder: Ranger Tales from Glacier National Park |
| '' | 978-1-55566-376-6 | Rob Proctor | Gardening on a Shoestring |
| 2006 | 978-1-55566-378-0 | Rosalie Cooper-chase | Close Encounters of the Bovine: Recollections of a Rural Veterinarian |
| '' | 978-1-55566-379-7 | Barbara B. Poppe · Kristen P. Jorden | Sentinels of the Sun: Forecasting Space Weather |
| '' | 978-1-55566-386-5 | Kathleen Lindley | In the Company of Horses: A Year on the Road With Horseman Mark Rashid |
| 2007 | 978-1-55566-387-2 | Marcia Tatroe | Cutting Edge Gardening in the Intermountain West |
| 2006 | 978-1-55566-390-2 | Mark Rashid | Big Horses Good Dogs And Straight Fences: Musings of Everyday Ranch Life |
| 2008 | 978-1-55566-391-9 | Sally J. Cole | Legacy on Stone: Rock Art of the Colorado Plateau and Four Corners Region |
| 2007 | 978-1-55566-401-5 | Mike Nelson | Colorado Weather Almanac |
| '' | 978-1-55566-407-7 | Mark Rashid · Kathleen Lindley | A Life With Horses: Spirit of the Work |
| 2008 | 978-1-55566-424-4 | Ruth M. Wright | Machu Picchu Revealed |
| '' | 978-1-55566-426-8 | Terry Grosz | Slaughter in the Sacramento Valley: Poaching and Commercial-Market Hunting - Stories and Conversations |
| 2009 | 978-1-55566-431-2 | Mark Scott-Nash | Colorado 14er Disasters:: Victims of the Game |