Book excerpt: This superb reference volume records the history of the most significant tanks that have seen service around the world. The book begins with the World War I era tanks, such as the British Mk 1, that attempted to break the deadlock of the Western Front. It then examines major tanks that emerged during the interwar period. All the celebrated World War II tanks are featured, including the PzKpfw VI Tiger, the M4 Sherman and the T-34. Finally, it surveys the incredible tanks of the postwar era, including the M48, the Merkava and T-54/-55.The text provides succinct information on the design, development, and combat performance of all the tanks featured. Entries are arranged by the year in which a tank first saw service. An introductory chapter presents an in-depth analysis of the development, production, and deployment of tanks.