Homo Deus: A Brief History of Tomorrow by Yuval Noah Harari explores the future of humanity as technology, artificial intelligence, and biotechnology reshape our world. Building on insights from his previous work, Sapiens, Harari delves into how humans might strive for immortality, happiness, and god-like powers. The book challenges readers to consider ethical and philosophical questions about the future, including the potential rise of data-driven societies and the evolving definition of what it means to be human.