Now in its third edition, Penguin Encyclopedia is the one reference book that every family and office needs. It contains over 28,000 entries on the facts, events, issues, people, beliefs and achievements that make up the sum of human knowledge and experience written in a clear, direct style that illuminates even the most intricate concept. The book is designed so that it is easy to locate the information you require quickly and there are over 350 maps and diagrams to aid understanding. Penguin Encyclopedia is part of the Penguin Reference Library and draws on over 70 years of experience in bringing reliable, useful and clear information to millions of readers around the world - making knowledge everybody's property.