Father Petrovich will share the book "Blessed Life of Saint Andral" with the party, as he grows concerned about the missing bones of the beloved saint. The book portrays the story of a courageous and devoted man's faith against darkness, while also providing context and backstory to the Feast of Saint Andral. It highlights the importance of the saints' remains in protecting the church against vampires and darkness. The significance of finding the bones to safeguard the church is emphasized in the book, which Father Petrovich hopes will convince the party to help with the search. Book can be found in the Church of Saint Andral, Church of Barovia, and the Abbey.