Cryptanalyst Tomash Noronha investigates the death of an elderly professor-historian and, by deciphering the documents found, travels around the world—from Lisbon to Rio de Janeiro, New York, and Jerusalem. He immerses himself in an enthralling story about the discovery of America and faces a mystery that no scientist has managed to solve: who was Christopher Columbus really, and what faith did he profess? And if he wasn’t… then who was? If he was, did he actually discover America? Or maybe…