| #2 |  Prague Winter
| 4 | 7 reads | |
| #3 |  Our Woman in Moscow
| 4.15 | 15 reads | |
| #4 |  A Taste for Poison
| 4.05 | 25 reads | |
| #5 |  Alias Anna
| 4 | 2 reads | |
| #8 |  Secret Agent Brainteasers: More Than 100 Codebreaking Puzzles Inspired by Britain's Espionage Masterminds
| 0 | 0 reads |
| #2 | Prague Winter
| 4 | 7 reads | |
| #3 | Our Woman in Moscow
| 4.15 | 15 reads | |
| #4 | A Taste for Poison
| 4.05 | 25 reads | |
| #5 | Alias Anna
| 4 | 2 reads | |
| #8 | Secret Agent Brainteasers: More Than 100 Codebreaking Puzzles Inspired by Britain's Espionage Masterminds
| 0 | 0 reads |