NEW YORK TIMES BESTSELLER Includes exclusive bonus material Former Justice Department operative Cotton Malone has received an anonymous note carrying an unfamil

As a favor to enigmatic billionaire Henrik Thorvaldsen, Cassiopeia Vitt treks into Bulgaria's Rila mountains in search of a buried stash of exceedingly rare art

NEW YORK TIMES BESTSELLER Four presidents of the United States have been assassinated—in 1865, 1881, 1901, and 1963—each murder seemingly unrelated. But wha

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American President Cotton Malone tackles the secrets of Mormonism, a U.S. Senator's stealthy secession plan, and a history-shaping letter that was handed down t