| # | Book Title | Author | |
|---|---|---|---|
| 1 | I'd Tell You I Love You, But Then I'd Have to Kill You | Carter, Ally | |
| 2 | Cross My Heart and Hope to Spy | Carter, Ally | |
| 3 | Don't Judge a Girl by Her Cover | Carter, Ally | |
| 4 | Only the Good Spy Young | Carter, Ally | |
| 5 | Out of Sight, Out of Time | Carter, Ally | |
| 6 | United We Spy | Carter, Ally |