Rat Snakes
Ray Staszko, J. Walls
Rattlesnakes of Arizona
Gordon W. Schuett, Charles F. Smith, Martin J. Feldner, Randall S. Reisener
Rattlesnakes of Arizona
Gordon W. Schuett, Charles F. Smith (herpétologiste)), Martin J. Feldner, Randall S. Reisener
Rattlesnakes of the Grand Canyon
Smith and Schuett
Reptile Medicine and Surgery
Douglas R. Mader
Reptiles and Amphibians of Australia
Harold G. Cogger
Reptiles and Amphibians of Australia
Harold G. Cogger
Reptiles and Amphibians of the Mojave Desert
Simone Brito
Reptiles of Ecuador
Alejandro Arteaga
Reptiles of North Carolina
William M. Palmer
Reptiles of the Solomon Islands
Michael McCoy
Reptiles of the Trans-Pecos
Bob Ashley
Reptiles, Their Latin Names Explained
Arthur Frederick Gotch
Rock Rattlesnakes of Mexico
Michael Price
Rocks and Minerals
Chris Pellant
Rosy Boas, Patterns in Time
Randy Limburg, Bob Montoya, Gerhold Merker
Secret Cloud
Zita Crawford
Snakes
Stephen J. Mullin, Richard A. Seigel
Snakes
Harry W. Greene
Snakes and Their Ways
Charles Howard Curran, Carl Kauffeld
Snakes of Arizona
Andrew T. Holycross, Joseph C. Mitchell
Snakes of Australia
Graeme F. Gow
Snakes of the Agkistrodon Complex
Howard Kay Gloyd, Roger Conant
Snakes of the Southeast
J. Whitfield Gibbons, Michael E. Dorcas