A.J. Baime is an American author, journalist, and public speaker. He is a regular contributor to The Wall Street Journal and best known for his books The Accidental President: Harry S. Truman and the Four Months that Changed the World, Go Like Hell: Ford, Ferrari, and Their Battle for Speed and Glory at Le Mans, and The Arsenal of Democracy: FDR, Detroit, and an Epic Quest to Arm an America at War.