The Rule of Four Author:Ian Caldwell & Dustin Thomason Princeton, Good Friday, 1999. On the eve of graduation, Two students are a hairs breadth from solving the mysteries of the Hypnerotomachia Poliphili. Famous for it's hypnotic power over those who study it, the500 yr. old manuscript may finally reveal it's secrets to Tom Sullivan, whose father was obsessed with he book, and Paul Harris... more », whose future depends on it.« less