The Quintessential Naturalist: Honoring the Life and Legacy of Oliver P. Pearson by Douglas A. Kelt (Editor), Enrique P. Lessa (Editor), Jorge Salazar-Bravo (Editor), James L. Patton (Editor) July 2007 Paperback $99.95, £84.00
California Cuckoo Wasps in the Family Chrysididae (Hymenoptera) by Lynn S. Kimsey (Author) November 2006 Paperback $73.95, £62.00
Rattlesnakes: Their Habits, Life Histories, and Influence on Mankind, Abridged edition by Laurence M. Klauber (Author) February 1984 Paperback $36.95, £31.00|eBook $49.95, £42.00
Mammalian Diversification: From Chromosomes to Phylogeography by Eileen A. Lacey (Editor), Philip Myers (Editor) February 2006 Paperback $73.95, £62.00
The Turtles of Mexico: Land and Freshwater Forms by John Legler (Author), Richard C. Vogt (Author) June 2013 Hardcover $125.00, £105.00|eBook $125.00, £105.00
The California Quail by A. Starker Leopold (Author) May 1985 Paperback $31.95, £27.00|eBook $49.95, £42.00
Giant Pandas: Biology and Conservation by Don Lindburg (Editor), Karen Baragona (Editor) January 1970 eBook $74.95, £63.00
American Bison: A Natural History by Dale F. Lott (Author) September 2002 Paperback $28.95, £25.00|eBook $28.95, £25.00
Dragonflies and Damselflies of California by Timothy D. Manolis (Author) May 2003 Paperback $26.95, £23.00
Twilight of the Mammoths: Ice Age Extinctions and the Rewilding of America by Paul S. Martin (Author) May 2007 Paperback $29.95, £25.00
The Encyclopedia of Animals: A Complete Visual Guide by George McKay (Editor) November 2004 Hardcover $39.95
Anatomy of a Beast: Obsession and Myth on the Trail of Bigfoot by Michael McLeod (Author) April 2011 Paperback $24.95, £21.00
Adventures among Ants: A Global Safari with a Cast of Trillions by Mark W. Moffett (Author) December 2011 Paperback $26.95, £23.00|eBook $26.95, £23.00
Fish: An Enthusiast's Guide by Peter B. Moyle (Author) March 1995 Paperback $31.95, £27.00|eBook $31.95, £27.00
The Hawaiian Spinner Dolphin by Kenneth S. Norris (Author), Bernd Wursig (Author), Randall S. Wells (Author), Melany Wursig (Author) August 1994 Hardcover $68.95, £58.00|eBook $68.95, £58.00
Revision of Ufens Girault, 1911 (Hymenoptera: Trichogrammatidae) by Albert K. Owen (Author) November 2011 Paperback $68.95, £58.00
Birds of the Salton Sea: Status, Biogeography, and Ecology by Michael Patten (Author), Guy McCaskie (Author), Philip Unitt (Author) January 1970 eBook $85.00, £71.00
Field Guide to Owls of California and the West by Hans J. Peeters (Author) October 2007 Paperback $26.95, £23.00|eBook $26.95, £23.00
Raptors of California by Hans J. Peeters (Author), Pam Peeters (Author) February 2005 Paperback $28.95, £25.00
The Ghosts of Gombe: A True Story of Love and Death in an African Wilderness by Dale Peterson (Author) April 2018 Hardcover $29.95, £25.00|eBook $29.95, £25.00
Giraffe Reflections by Dale Peterson (Author) September 2013 Hardcover $39.95, £34.00|eBook $39.95, £34.00