The A to Z of U.S. Diplomacy from World War I through World War II relates the events of this crucial period in U.S. history through a chronology, an introductory essay, and over 600 cross-referenced dictionary entries on key persons, places, events, institutions, and organizations.

Martin Folly is senior lecturer in United States and International History at Brunel University. He is an expert in U.S. foreign policy in the 1930s, World War II, and the Cold War. His publications include The United States in World War II: The Awakening Giant (2002). Niall Palmer is lecturer in Politics and History at Brunel University. He is the author of The Twenties In America: Politics and History (2006).