Sapiens showed us where we came from. Homo Deus looked to the future. Yuval Noah Harari now explores the present. Can we protect ourselves from nuclear war, ecological cataclysms and technological disruptions? What can we do about disinformation? What should we teach our children? The golden thread running through this exhilarating book is the challenge of maintaining our focus in the face of constant and disorienting change. Are we still capable of understanding the world we have created?