Fascinating, coherent, compassionate and completely accessible * Sunday Telegraph * This is the book that turned me from a historian of medieval warfare into a student of humankind -- Yuval Noah Harari * Week * A prodigious, convincing work, conceived on a grand scale * Observer * A book of remarkable scope... One of the most important and readable works on the human past * Nature * The most absorbing account on offer of the emergence of a world divided between have and have-nots... Never before put together so coherently, with such a combination of expertise, charm and compassion * The Times *.