Time's Edge (The Chronos Files Book 2)
Time's Divide (The Chronos Files Book 3)
Time's Echo: CHRONOS Files 1.5 (The Chronos Files)
Time's Mirror: CHRONOS Files 2.5 (The CHRONOS Files)
2092: A CHRONOS Files Story (The CHRONOS Files)
Simon Says: Tips for the Intrepid Time Traveler: The CHRONOS Files 3.5
The Delphi Effect (The Delphi Trilogy Book 1)
The Gambit: A CHRONOS Files Story (The CHRONOS Files)
The Second Ship (The Rho Agenda Book 1)
Whack Job: A CHRONOS Story (The CHRONOS Files)