**THE NUMBER ONE BESTSELLER** Sapiens showed us where we came from. Homo Deus looked to the future. 21 Lessons for the 21st Century explores the present. How can we protect ourselves from nuclear war, ecological cataclysms and technological disruptions? What can we do about the epidemic of fake news or the threat of terrorism? What should we teach our children? Yuval Noah Harari takes us on a thrilling journey through today's most urgent issues. The golden thread running through his exhilarating new book is the challenge of maintaining our collective and individual focus in the face of constant and disorienting change. Are we still capable of understanding the world we have created? 'Fascinating... compelling... Harari has teed up a crucial global conversation about how to take on the problems of the 21st century' Bill Gates, New York Times 'Truly mind-expanding... Ultra-topical' Guardian

Author Biography

Yuval Noah Harari has a PhD in History from the University of Oxford and now lectures at the Hebrew University of Jerusalem, specialising in world history. His two books, Sapiens- A Brief History of Humankind and Homo Deus- A Brief History of Tomorrow, have become global bestsellers, with more than 12 million copies sold, and translations in more than forty-five languages.