It sounds like something out of an Agatha Christie novel, but the Case of the Codex Calixtinus is all too real. On Thursday, July 7, church authorities in the Spanish town of Santiago de Compostela publicly confirmed that the priceless 12th century manuscript had been stolen from a safe in the cathedral vault. According to the local press, when the theft was discovered, the keys to the safe were still hanging in the lock. Read more.