International bestselling and award-winning author Umberto Eco's Foucault's Pendulum is "an intellectual adventure story, as sensational, thrilling, and packed with arcana as Raiders of the Lost Ark or The Count of Monte Cristo" (The Washington Post Book World).Bored with their work, three Milanese editors cook up "the Plan," a hoax that connects the medieval Knights Templar with other occult groups from ancient to modern times. This produces a...