#1 NEW YORK TIMES BESTSELLER • A twisting, haunting true-life murder mystery about one of the most monstrous crimes in American history, from the author of The Wager and The Lost City of Z, “one of the preeminent adventure and true-crime writers working today."—New York Magazine • NATIONAL BOOK AWARD FINALIST • SOON TO BE A MAJOR MOTION PICTURE “A shocking whodunit…What more could fans of true-crime thrillers ask?”—USA Today “A masterful work of literary journalism crafted with the urgency of a mystery.” —The Boston Globe In the 1920s, the richest people per capita in the world were...