Princeton. Good Friday, 1999. On the eve of graduation, two students are a hairsbreadth from solving the mysteries of the Hypnerotomachia Poliphili, a Renaissance text that has baffled scholars for centuries. Famous for its hypnotic power over those who study it, the five-hundred-year-old Hypnerotomachia may finally reveal its secrets-to Tom Sullivan, whose father was obsessed with the book, and Paul Harris, whose future depends on it. But as the deadline looms, research has stalled-until an ancient diary surfaces. What Tom and Paul discover inside shocks even them: proof that the location of a hidden crypt has been ciphered within the pages of the obscure Renaissance text. Armed with this final clue, the two friends delve into the bizarre world of the Hypnerotomachia—a world of...