A thrilling new science fiction mystery from the New York Times bestselling author of the Donovan novels Dr. Timothy Ryan, head of the military psychiatric unit

The sixth book in the thrilling Donovan sci-fi series returns to a treacherous alien planet where corporate threats and dangerous creatures imperil the lives of

Knockout Mouse is the gripping debut of a mystery series, set in the high-stakes world of biotechnology. When a dinner guest dies suddenly of an allergic reacti

"The fifth book in the ... Donovan sci-fi series returns to a treacherous alien planet where corporate threats and dangerous creatures imperil the lives of the