Zero Hour: Expeditionary Force, Book 5 (Unabridged)
2018
Black Ops: Expeditionary Force, Book 4 (Unabridged)
2017
Brushfire: Expeditionary Force, Book 11 (Unabridged)
2020
Armageddon: Expeditionary Force, Book 8 (Unabridged)
2019
Mavericks: Expeditionary Force, Book 6 (Unabridged)
2018
Critical Mass: Expeditionary Force, Book 10 (Unabridged)
2020