1944-As Allied troops prepare for D-Day, two men are sent to infiltrate the secret Nazi concentration camp where a deadly nerve gas is being perfected on human subjects. Their only objective: destroy all traces of the gas and the men who created it-no matter how many lives may be lost. Including their own...

"On fire with suspense." (Stephen King)

"A swift historical thriller [that] vaporizes almost every cliché about the limits of the genre...good enough to read twice." (Kirkus Reviews, starred review)

"Action-packed yet thoughtful, unusually resonant and gripping." (Publishers Weekly)

• espionage/spy