James L. Gould is Professor of Ecology and Evolutionary Biology at Princeton University and one of the world’s leading experts in animal behavior. His books include Ethology: The Mechanisms and Evolution of Behavior, the leading textbook on its subject; and the last three editions of William T. Keeton’s Biological Science, one of the leading introductory textbooks of biology for undergraduates. With Carol Grant Gould he was written The Animal Mind and The Honey Bee, both considered classic books on animal behavior for lay audiences. They live in Princeton, New Jersey.