| year of publication | ISBN | author(s) | title |
|---|
| 1970 | 978-0-87108-045-5 | Mallory Hope Ferrell | The Gilpin gold tram, Colorado's unique narrow-gauge |
| 1973 | 978-0-87108-057-8 | Mallory Hope Ferrell | Silver San Juan: The Rio Grande Southern Railroad. |
| 1999 | 978-0-87108-290-9 | Matthew T. Downey · Fay D. Metcalf | Colorado: Crossroads of the West |
| 1980 | 978-0-87108-512-2 | Harriet Fish Backus | Tomboy Bride |
| 1981 | 978-0-87108-534-4 | Mallory Hope Ferrell | C & S ng: Colorado & Southern narrow gauge |
| 1982 | 978-0-87108-600-6 | Jean Mead | Wyoming in profile |
| 1985 | 978-0-87108-609-9 | Charles Philip Fox | Billers Banners and Bombast: The Story of Circus Advertising |
| 1983 | 978-0-87108-625-9 | Charles Philip Fox | Circus Baggage Stock: A Tribute to the Percheron Horse |
| 1986 | 978-0-87108-629-7 | John W. Hauck | Narrow Gauge in Ohio: The Cincinnati,Lebanon and Northern Railway |
| 1984 | 978-0-87108-664-8 | Thomas G Alexander | Mormons & Gentiles: A history of Salt Lake City (The Western urban history series) |
| 1978 | 978-0-87108-666-2 | William Farr | Montana Images of the Past |
| 1985 | 978-0-87108-683-9 | John W. Sayre | Ghost Railroads of Central Arizona: A Journey Through Yesteryear |
| '' | 978-0-87108-694-5 | Tiggs · John Tigges | Milwaukee Road Narrow Gauge: The Chicago, Bellevue, Cascade, and Western: Iowa's Slim Princess |
| 1986 | 978-0-87108-726-3 | John A. Willard | Adventure Trails in Montana |
| 1987 | 978-0-87108-738-6 | Jean Mead | Casper Country |
| 1988 | 978-0-87108-751-5 | Walter R. Borneman | A Climbing Guide to Colorado's Fourteeners |
| '' | 978-0-87108-770-6 | Susan Kaye | Best of Colorado |
| 1989 | 978-0-87108-783-6 | Norman T. Oppelt | Guide to Prehistoric Ruins of the Southwest |
| 1993 | 978-0-87108-819-2 | Ruth Carol Cushman · Stephen R. Jones · Jim Knopf | Boulder County Nature Almanac: What to See, Where and When |
| '' | 978-0-87108-837-6 | Stephen J. Bodio | Aloft: A Meditation on Pigeons & Pigeon-Flying |
| 1994 | 978-0-87108-850-5 | Walter R. Borneman · Lyndon J. Lampert | A Climbing Guide to Colorado's Fourteeners: Twentieth Anniversary Edition |
| 1997 | 978-0-87108-858-1 | Dorcas S. Miller | Stars of the First People: Native American Star Myths and Constellations |
| '' | 978-0-87108-865-9 | Betty Leavengood | Tucson Hiking Guide (2nd Edition) |
| 1996 | 978-0-87108-874-1 | Harry Middleton | The Earth is Enough |
| 1997 | 978-0-87108-892-5 | Harry Middleton | On the Spine of Time |
| 1999 | 978-0-87108-897-0 | Marcy Cottrell Houle | Wings for My Flight: The Peregrine Falcons of Chimney Rock |
| 2000 | 978-0-87108-904-5 | Harry Middleton | The Bright Country: A Fisherman's Return to Trout, Wild Water, and Himself |
| 2000 | 978-0-87108-912-0 | C. G. Yeager | Arrowheads & Stone Artifacts: A Practical Guide for the Amateur Archaeologist |
| 2004 | 978-0-87108-922-9 | Rene Harrop | Trout Hunter: The Way of an Angler |
| 2001 | 978-0-87108-923-6 | Carl Ubbelohde · Maxine Benson · Duane A. Smith | A Colorado History |
| 2006 | 978-0-87108-926-7 | Matt Stone | Go Backpacking |
| 2003 | 978-0-87108-929-8 | A. K. Best | Production Fly Tying: A Collection of Ideas, Notions, Hints, & Variations on the Techniques of Fly Tying |
| 2005 | 978-0-87108-931-1 | Scott Sanchez | Introduction to Salt Water Fly Tying |
| 1987 | 978-0-87108-932-8 | Nell Brown Propst | The Boys from Joes: A Colorado Basketball Legend |
| 2004 | 978-0-87108-933-5 | John Tedesco | Fast-Water Nymphing Tactics |
| '' | 978-0-87108-935-9 | Betty Leavengood | Tucson Hiking Guide |
| '' | 978-0-87108-937-3 | James Bretz | The Mansions Of Denver: The Vintage Years 1870-1938 |
| 2006 | 978-0-87108-939-7 | Paul Pixler | Hiking Trails of Southwestern Colorado |
| '' | 978-0-87108-940-3 | Ruth Carol Cushman | Boulder Hiking Trails: The Best of the Plains, Foothills, and Mountains, Fourth Edition |
| '' | 978-0-87108-942-7 | Carl Ubbelohde · Maxine Benson · Duane A. Smith | A Colorado History |
| 2007 | 978-0-87108-943-4 | Jim Sheeler | OBIT. Inspiring Stories of Ordinary People who Led Extraordinary Lives |
| 2006 | 978-0-87108-944-1 | John Gierach | Trout Bum |