- Series: In The Line of Duty Series Record # 11705
- In The Line of Duty
- 1 In the Line of Duty (1999) by W. E. B. Griffin
- 2 Covert Operations (2000) by W. E. B. Griffin
- 3 Give Me Liberty (2000) by W. E. B. Griffin
- 4 Into Enemy Hands (2001) by W. E. B. Griffin