Twan Leenders is President of the Roger Tory Peterson Institute of Natural History in Jamestown, New York. He is coauthor of The Wildlife of Costa Rica: A Field Guide, also from Cornell, and author of A Guide to Amphibians and Reptiles of Costa Rica.
"Beautifully illustrated, with loads of great information and clearly defined field marks for each species, this groundbreaking book is destined to become the go-to guide to the amphibians of Costa Rica."-Clay Bolt, natural history photographer and cofounder of Meet Your Neighbours "Amphibians of Costa Rica is highly informative and visually appealing. The use of drawings, photographs, and maps for each species account makes this a uniquely valuable reference."-Greg Watkins-Colwell, Peabody Museum of Natural History, Yale University