| #2 |  The Billion Dollar Spy The Billion Dollar Spy: A True Story of Cold War Espionage and Betrayal
| 4.5 | 4 reads | |
| #3 |  True Believer
| 4.15 | 66 reads | |
| #4 |  Savage Son
| 4.34 | 55 reads | |
| #5 |  Russians Among Us: Sleeper Cells, Ghost Stories, and the Hunt for Putin's Spies
| 4.14 | 8 reads | |
| #6 |  Area 51: An Uncensored History of America's Top Secret Military Base
| 3.63 | 20 reads | |
| #7 |  This Is How They Tell Me the World Ends: The Cyberweapons Arms Race
| 4.17 | 52 reads | |
| #8 |  The Illegals The Illegals: Russia's Most Audacious Spies and Their Century-Long Mission to Infiltrate the West
| 3 | 1 read |