This book is a retrospective of Henri Cartier-Bresson's work, showcasing his mastery in 20th-century photography. It features black-and-white images spanning his early work in France, Spain, and Mexico, postwar travels in Asia, the US, and Russia, and landscapes from the 1970s. Known for capturing the "decisive moment," Cartier-Bresson emphasized human reactions to historic events like the liberation of France and the creation of the People's Republic of China. The book, divided into six thematic sections, includes iconic portraits and lesser-known images, reflecting his deep humanity and unique photojournalistic style.