"Another triumph with this pioneering crime novel."—Publishers WeeklyThe sixth book in the Library of Congress Crime Classics, an exciting new classic mystery series created in exclusive partnership with the Library of Congress. This classic crime fiction mystery features a love triangle with a murderous twist.An undelivered letter with a cryptic message holds the key to an unsolved murderWhen Henry Moreland is found dead on a lonely New York road after a violent storm, it seems he died of natural causes while walking to the home of his betrothed, Eleanor Argyll. An examination of the corpse reveals, however, that he was killed by a single, powerful stab wound. His wallet was untouched, eliminating robbery as the motive—but who would want to murder the well-liked and respected man?Richard Redfield, an old family friend who harbors a secret love for Eleanor, vows to bring Henry's killer to justice. Richard soon finds himself out of his element. Together with a legendary detective named