From the classic work of Darwin to current developments in such fields as psychology and economics, evolutionary biology is an increasingly powerful tool for understanding the natural world. Here in two volumes is a comprehensive, accessible, and authoritative guide to what we know aboutevolutionary biology, from the origins of species to the selfish gene and beyond. The Encyclopedia of Evolution covers the essentials of evolutionary biology in 370 original articles written by leading experts. The articles cover basic concepts and theories; models, methods, and findings; schools of thought; current controversies; biographies; and more. The Encyclopedia covers evolutionary thought in genetics, animal behavior, and every area of the life sciences, as well as in anthropology, psychology, linguistics, sociology, economics, medicine, philosophy, and other fields. There are hundreds of tables, charts, grtaphs, maps and otherillustrations, bibliographies, cross-references and index. Designed for students and teachers in both high schools and colleges and universities, and scholars and scientists in the natural and social sciences, the Encyclopedia of Evolution will be the first point of access to this growing body of knowledge.