In his latest book, Known Unknowns, Charles Saatchi provides fascinating insights into some of the world's lesser-known but truly extraordinary historical events. Illustrated with arresting photographs, Saatchi's 100 essays tackle subjects as varied as the tattoo habits of Russian criminals, the Vatican's favorite Barbie, North Korean traffic jams, American gun legislation, and the world's richest animal. Drawing on a legendary decades-long career that has seen him produce and collect some of the most iconic images of modern times, Charles Saatchi presents his unique perspective on contemporary culture.