'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'21 Lessons is, simply put, a crucial book' Adam Kay

Yuval Noah Harari's bestselling phenomenon now in a beautifully packaged new special edition. Planet Earth is 4.5 billion years old.