"An amazing story, part Dostoevsky, part Conrad. . . . Remarkable.”—Michael J. Ybarra, Wall Street Journal
“One of the most distinguished historians of Russia . . . [gives] us a real-life thriller that is also a cautionary tale rich with insight into depths of the human psyche.”—David Pryce-Jones, Commentary
“Absorbing, brilliantly researched. . . . [A] fascinating display of scholarly detective work.”—Raymond Carr, Spectator