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The Black Tower (original 2008; edition 2008)
by Louis Bayard
References to this work on external resources.
Wikipedia in English
Amazon.com Product Description (ISBN 0061173509, Hardcover)
Vidocq! Master of disguise and chief of a newly created plainclothes police force, Vidocq is a man whose name sends terror rippling through the Parisian underworld of 1818—and the inconsequential life of Hector Carpentier is violently shaken when Vidocq storms into it. A former medical student living in his mother's Latin Quarter boardinghouse, Hector finds himself dragged into a dangerous mystery surrounding the fate of the dauphin, the ten-year-old son of King Louis XVI and Marie-Antoinette presumed to have suffered a cruel death years earlier in Paris's dreaded Temple. But the truth of what happened may be even more shocking—and it will fall to an aimless young man and the most feared detective in Paris to see justice done for a frightened little boy in a black tower . . . no matter what the cost.
(retrieved from Amazon Mon, 30 Sep 2013 14:02:34 -0400)
Having used his mastery of disguise and surveillance to nab some of France's most notorious criminals, early nineteenth-century detective Vidocq teams up with obscure medical student Hector to track down the most challenging adversary of his career, a case with ties to the missing son of Marie Antoinette.
(summary from another edition)
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