Sapiens: A Brief History of Humankind by Yuval Noah Harari is a non-fiction book that traces the history of Homo sapiens from the emergence of our species in East Africa approximately 200,000 years ago to the present day. Harari explores key revolutions—Cognitive, Agricultural, Unification of Humankind—and their impact on society, culture, and the environment. The book offers insights into the evolution of humans and the forces that have shaped our modern world.