The Secret of the Underground Room (Johnny Dixon #8)

By John Bellairs

Subjects: Knights and knighthood, fiction, Fiction, Knights and knighthood, Children's fiction, Dixon, johnny (fictitious character), fiction, England, fiction, Mystery and detective stories

Description: Professor Childermass is stunned when Father Higgins claims that a ghost is trying to contact him. Then the priest disappears. When the professor and Johnny catch up to him, they make a terrifying discovery -- Father Higgins is possessed by Masterman, the spirit of a long-dead knight determined to rule the world.