The New York Times bestselling author's chip-off-the-old Sherlock-back in print!

The “reliably excellent”* John Lescroart offers an engrossing historical mystery that takes us to a small French town in the dark days of World War I—where the rumor is that 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