An extraordinarily detailed reference book, The World At War: 1939-1945 offers the reader an in-depth guide to the greatest conflict of the 20th Century. Meticulously researched with over 1,200 identifications and a bibliography of over 4,000 sources, the book examines the people, places, and events that changed our world forever. William Scott spent three years carefully researching and compiling the information for this book. He worked exclusively from military archives and university libraries to produce this one of a kind World War II reference book. Including an easy to follow chronology of events, a list of military and naval abbreviations, and an organizational chart of U.S. Army units, The World At War: 1939-1945 is a must for military historians, academics, history buffs, and veterans.