Lost in Peter's Tomb is the first book in a series of mystery adventures designed to present the stories of the saints in an intriguing and educational manner. Set in modern Italy, the stories follow a brother and sister in their adventures with their Aunt, who is a special agent for the Pope. In this first adventure, Sister Philomena and the children track an intruder in St. Peter's Basilica and help recover the missing relics of St. Peter, all the while learning about St. Peter's life. Children will be introduced to Italian words and phrases, learn about the Vatican and Italian lifestyles, as well as famous places and works of art in Italy.