| year of publication | ISBN | author(s) | title |
| 1978 | 978-0-87842-063-6 | David D. Alt | Roadside Geology of Oregon (Roadside Geology Series) |
| 1980 | 978-0-87842-105-3 | Halka Chronic | Roadside Geology of Colorado (Roadside Geology Series) |
| 1987 | 978-0-87842-127-5 | Smoke Elser · Bill Brown | Packin' in on Mules and Horses |
| 1983 | 978-0-87842-147-3 | Halka Chronic | Roadside Geology of Arizona |
| '' | 978-0-87842-150-3 | Roberta Carkeek Cheney | Names on the Face of Montana: The Story of Montana's Place Names |
| '' | 978-0-87842-152-7 | Dorothy M. Johnson | The Bloody Bozeman: The Perilous Trail to Montana's Gold |
| '' | 978-0-87842-159-6 | James Topach | We the People of Montana--: The Workings of a Popular Government |
| 1984 | 978-0-87842-160-2 | David D. Alt | Roadside Geology of Washington (Roadside Geology Series) |
| 1985 | 978-0-87842-170-1 | William J. Fritz | Roadside Geology of the Yellowstone Country (Roadside Geology Series) |
| 1991 | 978-0-87842-177-0 | J. Gordon Edwards | Climber's Guide to Glacier National Park (Regional Rock Climbing Series) |
| 1985 | 978-0-87842-180-0 | Bradford Van Diver | Roadside Geology of New York (Roadside Geology Series) |
| 1986 | 978-0-87842-197-8 | Marshall Trimble | Roadside History of Arizona (Roadside History Series) |
| '' | 978-0-87842-199-2 | Keith Frye | Roadside Geology of Virginia (Roadside Geology Series) |
| 1986 | 978-0-87842-202-9 | David D. Alt | Roadside Geology of Montana (Roadside Geology Series) |
| 1987 | 978-0-87842-203-6 | Bradford B. Van Diver | Roadside Geology of Vermont and New Hampshire (Roadside Geology Series) |
| 1988 | 978-0-87842-204-3 | Mae Urbanek | Wyoming Place Names |
| 1987 | 978-0-87842-209-8 | Halka Chronic | Roadside Geology of New Mexico (Roadside Geology Series) |
| 1988 | 978-0-87842-213-5 | Cathy Connor | Roadside Geology of Alaska (Roadside Geology Series) |
| '' | 978-0-87842-216-6 | David Lageson | Roadside Geology of Wyoming (Roadside Geology Series) |
| 1989 | 978-0-87842-219-7 | David D. Alt | Roadside Geology of Idaho (Roadside Geology Series) |
| 1988 | 978-0-87842-220-3 | Stephen L. Harris | Fire Mountains of the West: The Cascade and Mono Lake Volcanoes (Roadside Geology Series) |
| 1990 | 978-0-87842-227-2 | Bradford B. Van Diver | Roadside Geology of Pennsylvania (Roadside Geology Series) |
| '' | 978-0-87842-228-9 | Halka Chronic | Roadside Geology of Utah (Roadside Geology Series) |
| 1989 | 978-0-87842-233-3 | Herbert Clarke | An Introduction to Southern California Birds |
| '' | 978-0-87842-242-5 | Francis L. Fugate | Roadside History of New Mexico (Roadside History Series) |
| 1990 | 978-0-87842-243-2 | Stephen L. Harris | Agents of Chaos: Earthquakes, Volcanoes, and Other Natural Disasters |
| '' | 978-0-87842-249-4 | Ronald J. Taylor | Northwest Weeds: The Ugly and Beautiful Villains of Fields, Gardens, and Roadsides |
| 1992 | 978-0-87842-251-7 | David Harmon · Amy S. Rubin | Llamas on the Trail: A Packer's Guide |
| 1991 | 978-0-87842-252-4 | Bill Gulick | Roadside History of Oregon (Roadside History Series) |
| 1990 | 978-0-87842-260-9 | Ronald J. Taylor | Northwest Weeds: The Ugly and Beautiful Villians of Fields, Gardens, and Roadsides |
| 1994 | 978-0-87842-262-3 | Linda M. Hasselstrom | Roadside History of South Dakota (Roadside History Series) |
| 1991 | 978-0-87842-265-4 | Darwin Spearing | Roadside Geology of Texas (Roadside Geology Series) |
| 1991 | 978-0-87842-272-2 | Francis L. Fugate | Roadside History of Oklahoma (Roadside History (Paperback)) |
| 1992 | 978-0-87842-280-7 | Ronald J. Taylor | Sagebrush Country: A Wildflower Sanctuary |
| 1993 | 978-0-87842-289-0 | Robert P. Sharp | Geology Underfoot in Southern California |
| 1996 | 978-0-87842-290-6 | Warren R. Anderson | Owning Western History: A Guide to Collecting Rare Documents, Historical Letters, and Valuable Autographs from the Old West |
| 1995 | 978-0-87842-292-0 | Stephen M. Voynick | Colorado Rockhounding: A Guide to Minerals, Gemstones, and Fossils (Rock Collecting) |
| 1994 | 978-0-87842-294-4 | Leon Claire Metz | Roadside History of Texas (Roadside History Series) |
| 2009 | 978-0-87842-304-0 | Gregio Micho | The Mystery of E Troop |
| 1995 | 978-0-87842-308-8 | Jan L. Wassink | Birds of the Pacific Northwest Mountains: The Cascade Range, the Olympic Mountains, Vancouver Island, and the Coast Mountains |
| '' | 978-0-87842-312-5 | Herbert Clarke | An Introduction to Northern California Birds |
| '' | 978-0-87842-314-9 | Ronald J. Taylor | Mountain Plants of the Pacific Northwest: A Field Guide to Washington, Western British Columbia, and Southeastern Alaska |
| '' | 978-0-87842-316-3 | Candy Moulton | Roadside History of Wyoming (Paperback) |
| '' | 978-0-87842-318-7 | Ruth Pittman | Roadside History of California (Roadside History Series) |
| 1995 | 978-0-87842-322-4 | Mary Taylor Gray | Watchable Birds of the Southwest |
| '' | 978-0-87842-323-1 | David D. Alt | Northwest Exposures: A Geologic Study of the Northwest |
| 1996 | 978-0-87842-328-6 | Betty B. Derig | Roadside History of Idaho (Roadside History Series) |
| '' | 978-0-87842-338-5 | John Paul Gries | Roadside Geology of South Dakota (Roadside Geology Series) |
| '' | 978-0-87842-341-5 | Bud Moore | The Lochsa Story: Land Ethics in the Bitterroot Mountains |
| '' | 978-0-87842-344-6 | Richard W. Hazlett · Donald W. Hyndman | Roadside Geology of Hawaii (Roadside Geology Series) |
| 1996 | 978-0-87842-346-0 | Raymond Wiggers | Geology Underfoot in Illinois (Yes, Geology Underfoot) |
| 1997 | 978-0-87842-349-1 | Gregory F. Michno | Lakota Noon: The Indian Narrative of Custer's Defeat |
| '' | 978-0-87842-351-4 | Patrick Gass | The Journals of Patrick Gass: Member of the Lewis and Clark Expedition (Lewis & Clark Expedition) |
| '' | 978-0-87842-359-0 | Gregory L. Tilford | Edible and Medicinal Plants of the West |
| '' | 978-0-87842-362-0 | Robert P. Sharp | Geology Underfoot in Death Valley and Owens Valley |
| 2009 | 978-0-87842-365-1 | Will James | Sun Up: Tales of the Cow Camps (James, Will, Tumbleweed Series.) |
| 1998 | 978-0-87842-372-9 | Gregory L. Tilford | From Earth to Herbalist: An Earth-Conscious Guide to Medicinal Plants |
| '' | 978-0-87842-373-6 | O. Richard Norton | Rocks from Space: Meteorites and Meteorite Hunters (Astronomy) |
| 1998 | 978-0-87842-382-8 | Douglas Waitley · Gwen McKenna · William H. Jackson | William Henry Jackson: Framing the Frontier |
| 1999 | 978-0-87842-383-5 | Cynthia Larsen Bennett | Roadside History of Utah (Roadside History Series) |
| 1998 | 978-0-87842-388-0 | Elizabeth L. Horn | Sierra Nevada Wildflowers |
| '' | 978-0-87842-391-0 | Will James | All in the Day's Riding (James, Will, Tumbleweed Series.) |
| 1999 | 978-0-87842-395-8 | Donald E. Spritzer | Roadside History of Montana (Roadside History Series) |
| '' | 978-0-87842-396-5 | Mark J. Camp;Graham T. Richardson | Roadside Geology of Indiana |
| '' | 978-0-87842-401-6 | Will James | Three Mustangeers (James, Will, Tumbleweed Series) |
| 2002 | 978-0-87842-403-0 | Ian Lange | Ice Age Mammals of North America |
| 1999 | 978-0-87842-406-1 | Will James | Home Ranch (James, Will, Tumbleweed Series.) |
| 2000 | 978-0-87842-409-2 | David Alt | Roadside Geology of Northern and Central California |
| '' | 978-0-87842-410-8 | Richard Moreno | Roadside History of Nevada (Roadside History Series) |
| 2001 | 978-0-87842-415-3 | David D. Alt | Glacial Lake Missoula and Its Humongous Floods |
| 2000 | 978-0-87842-418-4 | Richard L. Orndorff · Robert W. Wieder · Harry F. Filkorn | Geology Underfoot in Central Nevada (Yes, Geology Underfoot) |
| 2000 | 978-0-87842-421-4 | James Lemonds | Deadfall: Generations of Logging in the Pacific Northwest |
| 2001 | 978-0-87842-429-0 | James W. Skehan | Roadside Geology of Massachusetts (Roadside Geology Series) |
| '' | 978-0-87842-433-7 | Betty B. Derig · Margaret C. Fuller | Wild Berries of the West |
| '' | 978-0-87842-437-5 | Ben K. Green | The Color of Horses: The Scientific and Authoritative Identification of the Color of the Horse |
| '' | 978-0-87842-440-5 | Darrell Arnold | The Cowboy Kind |
| '' | 978-0-87842-445-0 | Jack Horner | Dinosaurs: Under the Big Sky |
| 2001 | 978-0-87842-446-7 | George E. Gruell | Fire in Sierra Nevada Forests: A Photographic Interpretation of Ecological Change Since 1849 |
| 2002 | 978-0-87842-447-4 | Halka Chronic | Roadside Geology of Colorado (Roadside Geology Series) |
| '' | 978-0-87842-448-1 | Bryan C. Foster | Wild Logging: A Guide to Environmentally and Economically Sustainable Forestry |
| '' | 978-0-87842-457-3 | Harmon D. · Jr. Maher | Roadside Geology of Nebraska (Roadside Geology Series) |
| 2003 | 978-0-87842-462-7 | Wendell A. Duffield | Chasing Lava: A Geologist's Adventures at the Hawaiian Volcano Observatory |
| '' | 978-0-87842-468-9 | Gregory F. Michno | Encyclopedia of Indian Wars: Western Battles and Skirmishes 1850-1890 |
| 2004 | 978-0-87842-471-9 | Marshall Trimble | Roadside History of Arizona (Roadside History Series) |
| '' | 978-0-87842-473-3 | Tye W. Parzybok | Weather Extremes of the West |
| 2004 | 978-0-87842-492-4 | Robert H. · Jr. Dott | Roadside Geology of Wisconsin (Roadside Geology Series) |
| '' | 978-0-87842-495-5 | Susan Elizabeth Hough | Finding Fault in California: An Earthquake Tourist's Guide |
| '' | 978-0-87842-496-2 | Diantha States · Jack S. States | Wildflowers of Wyoming |
| '' | 978-0-87842-497-9 | Betsy Fahlman | the Cowboy's Dream |
| '' | 978-0-87842-498-6 | Raymond C. Murray | Evidence from the Earth: Forensic Geology and Criminal Investigation |
| 2004 | 978-0-87842-499-3 | Louise A. Jackson | The Mule Men: A History Of Stock Packing In The Sierra Nevada |
| 2005 | 978-0-87842-503-7 | William H. Mathews | Roadside Geology of Southern British Columbia (Roadside Geology Series) (Roadside Geology Series) |
| '' | 978-0-87842-504-4 | Donald Anthony Schiemann | Wildflowers Of Montana |
| '' | 978-0-87842-505-1 | Volney · M.D. Steele | Bleed, Blister, And Purge: A History Of Medicine On The American Frontier |
| '' | 978-0-87842-506-8 | Marina Curtis Tidwell | Beyond The Beach Blanket: A Field Guide To Southern California Coastal Wildlife |
| '' | 978-0-87842-509-9 | T. Scott Bryan | Geysers: What They Are And How They Work |
| 2006 | 978-0-87842-510-5 | Ronald D. Sanders | Rock Art Savvy: The Responsible Visitor's Guide to Public Sites of the Southwest |
| 2005 | 978-0-87842-511-2 | Stephen L. Harris | Fire Mountains of the West: The Cascade And Mono Lake Volcanoes |
| 2005 | 978-0-87842-514-3 | Larry L. Peterson | L. A. Huffman: Photographer of the American West |
| 2006 | 978-0-87842-518-1 | Will James | Will James' Book of Cowboy Stories (Tumbleweed) |
| '' | 978-0-87842-520-4 | Candy Moulton | Roadside History of Colorado (Roadside History Series) |
| '' | 978-0-87842-524-2 | Mark J. Camp | Roadside Geology of Ohio (Roadside Geology Series) (Roadside Geology Series) |
| '' | 978-0-87842-527-3 | Lito Tejada-Flores | Breakthrough on the New Skis: Say Goodbye to the Intermediate Blues |
| 2007 | 978-0-87842-530-3 | Darwin Spearing | Roadside Geology of Louisiana (Roadside Geology Series) |
| '' | 978-0-87842-532-7 | Beth A. Peluso | The Charcoal Forest: How Fire Helps Animals & Plants |
| 2007 | 978-0-87842-537-2 | William Neill | Butterflies of the Pacific Northwest |
| '' | 978-0-87842-538-9 | Ronald M. Lanner | The Bristlecone Book: A Natural History of the World's Oldest Trees |
| 2008 | 978-0-87842-542-6 | Bryan · Jonathan R · Thomas M. Scott · Guy H. Means | Roadside Geology of Florida (Roadside Geology Series) |
| '' | 978-0-87842-544-0 | Stephen · Pyne | Year of the Fires: The Story of the Great Fires of 1910 |
| '' | 978-0-87842-546-4 | Wayne K. Hinton · Elizabeth A. Green | With Picks, Shovels, & Hope: The CCC and Its Legacy on the Colorado Plateau |
| '' | 978-0-87842-549-5 | Gregory F. Michno · Susan J. Michno | Forgotten Fights: Little-known Raids and Skirmishes on the Frontier, 1823 to 1890 |
| 2008 | 978-0-87842-553-2 | Kate Davis | Falcons of North America |