Time's Echo: A CHRONOS Files Novella (The CHRONOS Files)

Time's Divide (The Chronos Files)

Time's Edge (The Chronos Files)

Timebound (The Chronos Files)

The Delphi Effect (The Delphi Trilogy)

Dark Matter: A Novel

The Atlantis Gene: A Thriller (The Origin Mystery, Book 1)

Demigods & Magicians: Percy and Annabeth Meet the Kanes