El Codice 632/ 632 Codex

When an enigmatic coded message is discovered in the papers of an assassinated historian in R甐 de Janeiro, Tom嫳 Noro鎙, a noted cryptologist, ancient language expert, and history professor at the Universidad Nova de Lisboa, is called upon to unravel why the true identity of Christopher Columbus was deliberately kept secret for centuries, and why some individuals are still willing to murder more than once to keep that identity secret.