Centers of Gravity: Frontlines, Book 8 (Unabridged)
2022
Orders of Battle: Frontlines, Book 7 (Unabridged)
2021
Points of Impact: Frontlines, Book 6 (Unabridged)
2018
Fields of Fire: Frontlines, Book 5 (Unabridged)
2017
Chains of Command: Frontlines, Book 4 (Unabridged)
2016
Angles of Attack: Frontlines, Book 3 (Unabridged)
2015