Adrian Forsyth is an internationally renowned biologist, conservationist, and nature writer. He is the author of Tropical Nature, The Natural History of Sex, The Nature of Birds, Exploring the World of Insects, and Mammals of North America. He is President of the Amazon Conservation Association and a research associate at the Smithsonian Institution. Michael Fogden and Patricia Fogden are world-acclaimed nature photographers. Since 1979, they have lived for about half of each year in Monteverde, using their home as a base for photography excursions throughout Costa Rica. They are the authors of Animals and their Colours and Costa Rica: Wildlife of the National Parks and Reserves. E. O. Wilson is Pellegrino University Research Professor in Entomology in the Department of Organismic and Evolutionary Biology at Harvard University and the author most recently of The Creation: An Appeal to Save Life on Earth.