| #2 |  The Starling Project The Starling Project
| 3 | 3 reads | |
| #3 |  Once Dead
| 4 | 5 reads | |
| #4 |  In This Grave Hour
| 3.73 | 19 reads | |
| #5 |  Circle of Treason Circle of Treason: A CIA Account of Traitor Aldrich Ames and the Men He Betrayed
| 4 | 3 reads | |
| #6 |  The Chemist
| 3.44 | 17 reads | |
| #7 |  The Fix
| 3.96 | 51 reads | |
| #8 |  The innocent
| 4.05 | 69 reads | |
| #9 |  The Alice Network
| 4.11 | 225 reads | |
| #10 |  A Legacy of Spies
| 4 | 27 reads | |
| #11 |  Call for the Dead
| 3.75 | 134 reads | |
| #13 |  The Woman Who Smashed Codes: A True Story of Love, Spies, and the Unlikely Heroine who Outwitted America's Enemies
| 4.67 | 3 reads | |
| #14 |  Need to Know
| 3.27 | 17 reads | |
| #15 |  Red Sparrow
| 3.71 | 72 reads | |
| #16 |  The Honest Spy
| 3 | 3 reads | |
| #17 |  Palace of Treason
| 3.98 | 28 reads | |
| #18 |  The Kremlin's Candidate
| 3.97 | 20 reads | |
| #19 |  Warlight
| 3.47 | 19 reads | |
| #20 |  Our Man in Havana
| 3.88 | 59 reads | |
| #21 |  The inner circle
| 3.42 | 25 reads | |
| #22 |  Heads You Win
| 3.4 | 12 reads | |
| #23 |  The First Conspiracy: The Secret Plot to Kill George Washington
| 5 | 1 read | |
| #25 |  The Guest Book
| 3.8 | 8 reads | |
| #26 |  The Second Perimeter
| 4 | 2 reads | |
| #27 |  The Black Widow
| 3.88 | 22 reads | |
| #28 |  House Justice House Justice
| 4 | 1 read | |
| #30 |  Dead Lions
| 3.94 | 101 reads | |
| #31 |  Casino Royale
| 3.59 | 205 reads | |
| #32 |  The Secrets We Kept
| 3.51 | 44 reads | |
| #33 |  The Expats
| 3.18 | 25 reads | |
| #34 |  The Paris Diversion The Paris Diversion
| 3 | 2 reads | |
| #35 |  Code Name Hélène
| 4.45 | 22 reads | |
| #40 |  The Berlin Exchange: A Novel
| 5 | 1 read | |
| #41 |  Agent Sonya: Moscow's Most Daring Wartime Spy | 5 | 1 read | |
| #44 |  Nobody Walks
| 4.03 | 19 reads | |
| #45 |  The Secret Hours
| 4.42 | 16 reads |