Turtles of the World: A Guide to Every Family - Jeffrey E. Lovich

Jeffrey E. Lovich is a research ecologist with the U.S. Geological Survey, Southwest Biological Science Center. His books include two editions of Turtles of the United States and Canada . Whit Gibbons is professor emeritus of ecology at the University of Georgia and former head of the Environmental Outreach and Education program at the Savannah River Ecology Laboratory. His books include Snakes of the Eastern United States . The species of turtle Graptemys gibbonsi is named in his honor.