Book 1
Kill Zone
Jack Coughlin, Donald A. Davis & Dr. Holger Hanowell
Book 2
Dead Shot
Jack Coughlin, Donald A. Davis & Dr. Holger Hanowell
Book 3
Clean Kill
Jack Coughlin, Donald A. Davis & Bernhard Stäber
Book 4
Act of Treason
Jack Coughlin, Donald A. Davis & Benjamin Schöttner-Ubozak
Book 5
Running the Maze
Jack Coughlin, Donald A. Davis & Benjamin Schöttner-Ubozak
Book 6
Time to Kill
Jack Coughlin, Donald A. Davis & Benjamin Schöttner-Ubozak
Book 7
On Scope
Jack Coughlin & Donald A. Davis