From the acclaimed author of The Pale Blue Eye, this literary thriller features Eugène Vidocq, a criminal who transformed himself into the world’s first and greatest detective.

After the execution of Marie Antoinette and King Louis XVI and the death of their son, the Dauphin, the Bourbon monarchy has at last been restored. Dr. Hector Carpentier leads a very quiet life, until he meets legendary police officer Vidocq, who has used his mastery of disguise and surveillance and his extensive knowledge of the Parisian underworld to capture some of the most notorious and elusive criminals. Now, with the help of Carpentier, Vidocq may prove that the Dauphin lives, which could change the course of history.

LOUIS BAYARD is a critically acclaimed novelist, reviewer, and journalist who has written for the New York Times, Washington Post, Salon.com, Ms., Nerve.com, and the Washington, D.C., City Paper. He is the author of The Pale Blue Eye and of Mr. Timothy, a New York Times Notable Book and one of People magazine's ten best books of 2003. He lives in Washington, D.C., with his partner and two sons.