| year of publication | ISBN | author(s) | title |
|---|
| 1978 | 978-0-87842-063-6 | David D. Alt · Donald W. Hyndman | Roadside Geology of Oregon (Roadside Geology Series) |
| 1980 | 978-0-87842-105-3 | Halka Chronic | Roadside Geology of Colorado (Roadside Geology Series) |
| '' | 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 Johnson | Bloody Bozeman: The Perilous Trail to Montana's Gold |
| 1984 | 978-0-87842-158-9 | Thomas J. Belzer · Belzer | Roadside Plants of Southern California (Outdoor and Nature) |
| 1983 | 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) |
| 1995 | 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 B. Van Diver | Roadside Geology of New York |
| 1984 | 978-0-87842-182-4 | James Clyman | Journal of a Mountain Man (Classics of the Fur Trade) |
| 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 · Donald W. Hyndman | 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) |
| 1991 | 978-0-87842-216-6 | David Lageson · Darwin Spearing | Roadside Geology of Wyoming |
| 1989 | 978-0-87842-219-7 | David Alt · Donald W. Hyndman | 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 |
| 1989 | 978-0-87842-223-4 | Winfred Blevins | Roadside History of Yellowstone Park (Roadside History 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 · Roberta B. 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 (Paperback)) |
| 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 |
| '' | 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 · Allen F Glazner | 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 |
| 1994 | 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 Metz | Roadside History of Texas (Roadside History (Paperback)) |
| 1991 | 978-0-87842-300-2 | Katherine Rogers | The Sternberg Fossil Hunters: A Dinosaur Dynasty |
| 1994 | 978-0-87842-304-0 | Gregory Michno | The Mystery of E Troop: Custer's Gray Horse Company at the Little Bighorn |
| 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 · George W. Douglas | 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 |
| 1995 | 978-0-87842-319-4 | Bill Moeller · Jan Moeller | Chief Joseph and the Nez Perces: A Photographic History |
| '' | 978-0-87842-321-7 | Will James | Cowboys North and South (Tumbleweed Series) |
| '' | 978-0-87842-322-4 | Mary Taylor Gray | Watchable Birds of the Southwest |
| '' | 978-0-87842-323-1 | David Alt · Donald W. Hyndman | Northwest Exposures: A Geologic Story of the Northwest |
| 2009 | 978-0-87842-326-2 | Will James | The Drifting Cowboy (Tumbleweed (Paperback)) |
| 1996 | 978-0-87842-328-6 | Betty Derig | Roadside History of Idaho (Roadside History Series) |
| 1995 | 978-0-87842-330-9 | Will James | Cow Country (Tumbleweed) |
| 1996 | 978-0-87842-332-3 | David S. Whitley | A Guide to Rock Art Sites: Southern California and Southern Nevada |
| '' | 978-0-87842-333-0 | Bud Moore · sustainable use of resources and the "wholeness" of the land now termed "ecosystem management. Moore knows a great deal about other forestry issues such as water quality | Lochsa Story, The: Land Ethics in the Bitterroot Mountains |
| 1998 | 978-0-87842-335-4 | Alan C Paulson | Roadside History of Arkansas (Roadside History (Paperback)) |
| 1996 | 978-0-87842-338-5 | John Paul Gries | Roadside Geology of South Dakota |
| 1996 | 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 |
| 1997 | 978-0-87842-346-0 | Raymond Wiggers | Geology Underfoot in Illinois |
| '' | 978-0-87842-349-1 | Gregory F. Michno | Lakota Noon: The Indian Narrative of Custer's Defeat |
| '' | 978-0-87842-351-4 | Carol Lynn MacGregor | Journals of Patrick Gass, The: Member of the Lewis and Clark Expedition (Lewis & Clark Expedition) |
| 2009 | 978-0-87842-353-8 | Will James | Sand (Tumbleweed (Paperback)) |
| 1996 | 978-0-87842-354-5 | Stephen M. Voynick | Climax: The History of Colorado's Climax Molybdenum Mine--Mountain Press Pub Co. |
| '' | 978-0-87842-358-3 | Will James | Lone Cowboy: My Life Story [ILLUSTRATED] |
| 1997 | 978-0-87842-359-0 | Gregory L Tilford | Edible & Medicinal Plants of West |
| 1997 | 978-0-87842-360-6 | Stephen M. Voynick | New Mexico Rockhounding: A Guide to Minerals, Gemstones, and Fossils |
| '' | 978-0-87842-362-0 | Robert P. Sharp · Allen F Glazner | Geology Underfoot in Death Valley and Owens Valley |
| '' | 978-0-87842-364-4 | Will James | Sun Up: Tales of the Cow Camps (Tumbleweed Series) |
| 2009 | 978-0-87842-365-1 | '' | Sun Up: Tales of the Cow Camps (Tumbleweed) |
| 1997 | 978-0-87842-369-9 | '' | Big-Enough (Tumbleweed) |
| 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) |
| '' | 978-0-87842-375-0 | D. W. Caldwell | Roadside Geology of Maine |
| 1998 | 978-0-87842-382-8 | Douglas Waitley | 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 a Day's Riding (Tumbleweed) |
| 1999 | 978-0-87842-395-8 | Spritzer. Don | Roadside History of Montana (Roadside History (Paperback)) |
| '' | 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 · illustrator Dorothy S. Norton | Ice Age Mammals of North America |
| 1999 | 978-0-87842-405-4 | Bill Moeller · Jan Moeller | Lewis & Clark: A Photographic Journey (Lewis & Clark Expedition) |
| '' | 978-0-87842-406-1 | Will James | Home Ranch (Tumbleweed) (Tumbleweed Series) |
| 2000 | 978-0-87842-409-2 | David Alt · Donald W. Hyndman | Roadside Geology of Northern and Central California |
| 2000 | 978-0-87842-410-8 | Richard Moreno | Roadside History of Nevada (Roadside History Series) |
| 2001 | 978-0-87842-415-3 | David Alt | Glacial Lake Missoula and Its Humongous Floods |
| 2000 | 978-0-87842-416-0 | Michael Rutter · J. Alan Baumgarten | Spin Casting Brilliantly |
| '' | 978-0-87842-418-4 | Richard L. Orndorff · Robert W. Wieder · Harry F. Filkorn | Geology Underfoot in Central Nevada |
| 2001 | 978-0-87842-421-4 | James LeMonds | Deadfall: Generations of Logging in the Pacific Northwest |
| 2000 | 978-0-87842-423-8 | Violet T. Kimball | Stories of Young Pioneers: In Their Own Words |
| '' | 978-0-87842-424-5 | Bill Moeller · Jan Moeller · Bill | Crazy Horse: A Photographic Biography |
| 2001 | 978-0-87842-425-2 | Donna M. Lucey | Photographing Montana, 1894-1928: The Life and Work of Evelyn Cameron |
| '' | 978-0-87842-426-9 | Donna M. Lucey | Photographing Montana 1894-1928: The Life and Work of Evelyn Cameron |
| '' | 978-0-87842-429-0 | James W. Skehan | Roadside Geology of Massachusetts (Roadside Geology Series) |
| 2001 | 978-0-87842-430-6 | William R. Nester | The Arikara War: The First Plains Indian War, 1823 |
| '' | 978-0-87842-432-0 | Marion Tinling | Sacagawea's Son: The Life of Jean Baptiste Charbonneau (Lewis & Clark Expedition) |
| '' | 978-0-87842-433-7 | Betty Derig · Margaret C Fuller | Wild Berries of the West |
| '' | 978-0-87842-435-1 | Will James | Scorpion, a Good Bad Horse (Tumbleweed) (Tumbleweed Series) |
| '' | 978-0-87842-436-8 | '' | Scorpion: A Good Bad Horse (Tumbleweed Series) |
| 2001 | 978-0-87842-437-5 | Ben K. Green · Darol Dickinson | The Color of Horses: A Scientific and Authoritative Identification of the Color of the Horse |
| '' | 978-0-87842-439-9 | Will James | Cowboy in the Making (Tumbleweed) |
| '' | 978-0-87842-440-5 | Darrell Arnold | The Cowboy Kind |
| '' | 978-0-87842-442-9 | Bill Moeller | The Oregon Trail: A Photographic Journey |
| '' | 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 Foster | Wild Logging: A Guide to Environmentally and Economically Sustainable Forestry |
| '' | 978-0-87842-451-1 | Sandra Perrin | Organic Gardening in Cold Climates |
| '' | 978-0-87842-452-8 | Joseph J. DiCerto | Saga of the Pony Express |
| '' | 978-0-87842-456-6 | Stephen M. Voynick | Leadville: A Miner's Epic |
| 2003 | 978-0-87842-457-3 | Harmon D. Maher · George F. Engelmann · Robert D. Shuster | Roadside Geology of Nebraska |
| 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 |
| '' | 978-0-87842-469-6 | Will James | The Will James Cowboy Book |
| '' | 978-0-87842-470-2 | Jan Moeller · Bill Moeller | The Pony Express: A Photographic History |
| 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 |
| 2003 | 978-0-87842-474-0 | Lee Ann Landstrom · Karen I. Shragg | Nature's Yucky!: Gross Stuff That Helps Nature Work |
| 2004 | 978-0-87842-475-7 | Fred Heath | An Introduction to Southern California Butterflies |
| 2004 | 978-0-87842-491-7 | William H. Cottrell | Book of Fire |
| '' | 978-0-87842-492-4 | Robert H. Dott · John W. Attig | Roadside Geology of Wisconsin |
| '' | 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: The Mythic Life and Art of Lon Megargee |
| 2004 | 978-0-87842-498-6 | Raymond C. Murray | Evidence from the Earth: Forensic Geology and Criminal Investigation |
| '' | 978-0-87842-499-3 | Louise A. Jackson | Mule Men, The: A History of Stock Paking in the Sierra Nevada |
| 2009 | 978-0-87842-502-0 | Will James | The American Cowboy (Tumbleweed) (Tumbleweed (Paperback)) |
| 2005 | 978-0-87842-503-7 | Bill Mathews · Jim Monger | Roadside Geology of Southern British Columbia |
| '' | 978-0-87842-504-4 | Donald Anthony Schiemann | Wildflowers of Montana |
| '' | 978-0-87842-505-1 | Volney Steele | Bleed, Blister & 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 |
| 2005 | 978-0-87842-509-9 | T. Scott Bryan | Geysers: What they are and How They Work |
| '' | 978-0-87842-510-5 | Ronald D. Sanders | Rock Art Savvy: The Responsible Visitor's Guide to Public Sites of the Southwest |
| '' | 978-0-87842-511-2 | Stephen L. Harris | Fire Mountains of the West: The Cascade and Mono Lake Volcanoes |
| '' | 978-0-87842-512-9 | Donna Love | Awesome Ospreys: Fishing Birds of the World |
| 2006 | 978-0-87842-513-6 | Jacques Kornprobst · Christine Laverne | Living Mountains: How and Why Volcanoes Erupt |
| 2013 | 978-0-87842-514-3 | Larry L. Peterson | L. A. Huffman: Photographer of the American West |
| 2006 | 978-0-87842-517-4 | Richard L. Orndorff · Robert W. Wieder · David G. Futey | Geology Underfoot in Southern Utah |
| '' | 978-0-87842-518-1 | Will James | Will James' Book of Cowboy Stories (Tumbleweed) |
| 2006 | 978-0-87842-520-4 | Candy Moulton | Roadside History of Colorado (Roadside History (Paperback)) |
| '' | 978-0-87842-523-5 | Kristin Huisinga · Lori Makarick · Kate Watters | River and Desert Plants of the Grand Canyon |
| '' | 978-0-87842-524-2 | Mark J Camp | Roadside Geology of Ohio (Roadside Geology Series) |
| '' | 978-0-87842-527-3 | Lito Tejada-Flores | Breakthrough on the New Skis: Say Goodbye to the Intermediate Blues |
| 2007 | 978-0-87842-528-0 | Lon Abbot · Terri Cook | Geology Underfoot in Northern Arizona |
| '' | 978-0-87842-529-7 | Lee Ann Landstrom | Nature's Yucky! 2: The Desert Southwest |
| 2007 | 978-0-87842-530-3 | Darwin Spearing | Roadside Geology of Louisiana |
| '' | 978-0-87842-531-0 | Charles M Robinson | Roadside History of Louisiana (Roadside History (Paperback)) |
| '' | 978-0-87842-532-7 | Beth A. Peluso | Charcoal Forest, the: How Fire Helps Animals and Plants |
| '' | 978-0-87842-534-1 | William Neal | Atlantic Coast Beaches: A Guide to Ripples, Dunes, and Other Natural Features of the Seashore |
| '' | 978-0-87842-537-2 | William Neill | Butterflies of the Pacific Northwest |
| 2007 | 978-0-87842-538-9 | Ronald M. Lanner | Bristlecone Book: A Natural History of the World's Oldest Trees |
| '' | 978-0-87842-540-2 | Larry Len Peterson | Philip R. Goodwin: America's Sporting and Wildlife Artist |
| 2008 | 978-0-87842-541-9 | Jeremy Agnew | Life of a Soldier on the Western Frontier |
| '' | 978-0-87842-542-6 | Jonathan R. Bryan · Thomas M. Scott · Guy H Mean | Roadside Geology of Florida |
| '' | 978-0-87842-543-3 | Ansley Watson Ford · Denver W. Holt · A12 | Snowy Owls: Whoo Are They? |
| '' | 978-0-87842-544-0 | Stephen J Pyne | Year of the Fires: The Story of the Great Fires of 1910 |
| 2008 | 978-0-87842-546-4 | Wayne K. Hinton · Elizabeth A. Green | With Picks, Shovels, & Hope: The CCC and Its Legacy on the Colorado Plateau |
| '' | 978-0-87842-547-1 | James W. Skehan | Roadside Geology of Connecticut and Rhode Island (Roadside Geology Series) |
| '' | 978-0-87842-549-5 | Gregory F. Michno · Susan J. Michno | Forgotten Fights: Little-known Raids and Skirmishes on the Frontier, 1823 to 1890 |
| '' | 978-0-87842-551-8 | Larry Len Peterson | Charles M Russell: Printed Rarities from Private Collectons |
| '' | 978-0-87842-552-5 | KC Glastetter · Jeremie Hollman | Glacier National Park: An ABC Adventure |
| 2008 | 978-0-87842-553-2 | Kate Davis | Falcons of North America |
| 2009 | 978-0-87842-554-9 | Leif Videen | Bunkhouse Built: A Guide to Making Your Own Cowboy Gear |
| '' | 978-0-87842-557-0 | Joanne S Liu | Barbed Wire: The Fence That Changed the West |
| '' | 978-0-87842-562-4 | Richard W. Ojakangas | Roadside Geology of Minnesota |
| '' | 978-0-87842-563-1 | Jennifer Carey | What's So Great About Granite? (What's So Great About Geology?) |
| 2010 | 978-0-87842-565-5 | Katherine J Baylor | California Rocks!: A Guide To Geologic Sites in the Golden State |
| '' | 978-0-87842-566-2 | Donna Love | The Totally Out There Guide to Glacier National Park |
| 2010 | 978-0-87842-567-9 | Louise A. Jackson | Sierra Nevada Before History: Ancient Landscapes, Early Peoples |
| '' | 978-0-87842-568-6 | Allen F. Glazner · Greg M. Stock | Geology Underfoot in Yosemite National Park |
| 2005 | 978-0-87842-569-3 | Shannon Kimball · Peter Lesica | Wildflowers of Glacier National Park and Surrounding Areas |
| 2015 | 978-0-87842-570-9 | John Means | Roadside Geology of Maryland, Delaware, and Washington, D.C. (Roadside Geology Series) |
| 2010 | 978-0-87842-571-6 | Ronald J. Dulle | Tracing the Santa Fe Trail: Today's Views, Yesterday's Voices |
| 2001 | 978-0-87842-573-0 | Charles G. Spencer | Roadside Geology of Missouri |
| 2011 | 978-0-87842-575-4 | Kate Davis | Raptors of the West: Captured in Photographs |
| '' | 978-0-87842-576-1 | Marc S. Hendrix | Geology Underfoot in Yellowstone Country |
| '' | 978-0-87842-577-8 | Raymond C. Murray | Evidence From the Earth: Forensic Geology and Criminal Investigations |
| '' | 978-0-87842-581-5 | William J Fritz · Robert C. Thomas | Roadside Geology of Yellowstone Country |
| 2012 | 978-0-87842-585-3 | Douglas H. MacDonald | Montana Before History: 11,000 Years of Hunter-Gatherers in the Rockies and the Plains |
| 2011 | 978-0-87842-586-0 | Jane Lambert | Charlie Russell: The Cowboy Years |
| 2012 | 978-0-87842-587-7 | Albert B. Dickas | 101 American Geo-Sites You've Gotta See (Geology Underfoot) |
| 2012 | 978-0-87842-595-2 | Lon Abbot · Terri Cook | Geology Underfoot Along Colorado's Front Range |
| 2014 | 978-0-87842-618-8 | Felicie Williams · Lucy Chronic · Halka Chronic | Roadside Geology of Utah |
| 2015 | 978-0-87842-640-9 | Dave Tucker | Geology Underfoot in Western Washington |
| 2018 | 978-0-87842-683-6 | Joseph G. Lebold · Christopher Wilkinson | Roadside Geology of West Virginia |
| 2019 | 978-0-87842-693-5 | Stan Cohen | World War Two in Alaska and Northwest Canada |