Fiction
- The Great Escape
- The Kremlin Letter
- The Scorpio Affair
- The Warsaw Document
- The Odessa File
Non-Fiction
- From the Underground: The Memoir of a Soviet Counteragent
- The Executioner: The Life and Crimes of Idi Amin
- The Plot: The Secret History of the Assassination of John F. Kennedy
- The Reich: The Rise and Fall of Adolf Hitler
- The Ring: The True Story of Ringling Bros. and Barnum & Bailey
Pugel has also written many short stories and magazine articles.