They say he is the son of Sherlock Holmes...Theauthor of The Fall and the Dismas Hardy and Wyatt Hunt series takes us to a small French town in the dark days of World War I.

The 'reliably excellent'* New York Times bestselling author offers an engrossing historical mystery in which the rumor is that young chef Auguste Lupa is the son of the greatest detective of all time. And his mysterious legacy may come to light as he attempts to solve the baffling murder of an intelligence agent...
*Publishers Weekly