“Liturgical Mysteries” is a series of mystery novels by Mark Schweizer that blends the suspense of traditional detective fiction with the rich traditions of the Catholic Church. The books feature Father John Cardinal O’Malley, a sharp-witted Jesuit priest who uses his theological knowledge and understanding of church history to solve crimes rooted in the Vatican’s complex world. Schweizer’s series offers a unique, intellectual approach to crime-solving, steeped in Catholic lore and suspenseful plots.














