Acclaimed as the master of the medical thriller, Robin Cook is a fixture on the New York Times best-seller list. Fans of Death Benefit will welcome the return of embattled medical student Pia Grazdani, who takes a job at a burgeoning nanotech firm in the Rockies. Soon after her arrival on the secretive corporate campus, Pia starts to suspect her company may be using human guinea pigs to fuel its latest billion-dollar medical innovation.