Résumé: The Stone Cross: The Scorpion, whose mother Cardinal Trebaldi burnt at the stake for loving a man of the cloth, discovers that his father was the murdered Pope himself. When Trebaldi addresses a huge crowd at the end of the mourning period, the Scorpion is there to tell the truth about how the people's beloved Pope died.
The Devil in the Vatican: Trebaldi claims that the sacred cross of St Peter miraculously appeared in his castle. The Scorpion must find the real cross if he is to prove Trebaldi's treachery.
This two-volume book includes "The Stone Cross"