This book investigates every aspect of the lifestyles of apes and looks at the similarities and differences between gorillas, orangutans, bonobos, chimpanzees and humans.

Great Apes 2003, Southwater Publishing, London, England

ISBN-13: 9781842157145

Paperback

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Great Apes 2001, Lorenz Books

ISBN-13: 9780754806554

Hardcover

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