Battling Siki (1887–1925) was once one of the four or five most recognizable black men in the world and was written about by a host of great writers, including George Bernard Shaw, Ring Lardner, Damon Runyon, Janet Flanner, and Ernest Hemingway. Peter Benson’s lively biography of the first African to win a world championship in boxing delves into the complex world of sports, race, colonialism, and the cult of personality in the early twentieth century.