| # | Book Title | Author | |
|---|---|---|---|
| 1 | Recruited | Mason, Lynn | |
| 2 | Secret Life, A | Roberts, Laura Peyton | |
| 3 | Disappeared | Mason, Lynn | |
| 4 | Sister Spy | Roberts, Laura Peyton | |
| 5 | Pursuit, The | Skurnick, Lizzie | |
| 6 | Close Quarters | Harrison, Emma | |
| 7 | Father Figure | Roberts, Laura Peyton | |
| 8 | Free Fall | Roberts, Christa | |
| 9 | Infiltration | Frazier, Breen | |
| 10 | Vanishing Act | Gerace, Sean | |
| 11 | Skin Deep | Hapka, Cathy (Catherine A.) | |
| 12 | Shadowed | Skurnick, Lizzie | |
| 13 | Faina | Gaborno, Rudy | |
| 14 | Two of a Kind? | Cox, Greg | |
| 15 | Collateral Damage | Askegren, Pierce | |
| 16 | Replaced | Harrison, Emma | |
| 17 | Road Not Taken, The | Cox, Greg | |
| 18 | Authorized Personnel Only | Ruditis, Paul | |
| 19 | Vigilance | Ruditis, Paul | |
| 20 | Strategic Reserve | York, Christina F. | |
| 21 | Once Lost | Beyer, Kirsten | |
| 22 | Namesakes | Cox, Greg | |
| 23 | Old Friends | Hanna, Steven |