The World Until Yesterday is a visionary new account of humanity's past from Jared Diamond, author of the international bestsellers Collapse and Guns, Germs and Steel, which has sold over 1 million copies and won the Pulitzer Prize.

In The World Until Yesterday, Diamond reveals how tribal societies offer an extraordinary window into how our ancestors lived for millions of years - until virtually yesterday, in evolutionary terms - and provide unique, often overlooked insights into human nature.

In his most personal book to date, Jared Diamond writes about his experiences over nearly five decades working and living in New Guinea, an island that is home to one thousand of the world's 7,000 languages and one of the most culturally diverse places on earth. Drawing on his own fieldwork, as well as evidence from Inuit, Amazonian Indians and other cultures, Diamond explores how tribal peoples approach essential human problems, from childrearing to old age to conflict resolution to health. He unearths remarkable findings - from the reasons why modern afflictions like diabetes, obesity and hypertension are largely non-existent in tribal societies, to the surprising cognitive benefits of multilingualism. As Diamond reminds us, the West achieved global dominance due to specific environmental and technological advantages, but Westerners do not necessarily have superior ideas about how to live well.

Jared Diamond is the Pulitzer Prize-winning author of the influential million-copy-bestseller Guns, Germs, and Steel, which won Britain's 1998 Rhone-Poulenc Science Book Prize and was one of TIME's 100 best non-fiction books of all time, and the no.1 bestseller Collapse. A professor of geography at UCLA and noted polymath, Diamond has been influential in the fields of anthropology, biology, ornithology, ecology and history.

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