The Ghost Breaker is a classic haunted house horror novel that follows the story of Warren, a ghost breaker from Kentucky, who is called to investigate a haunted castle in Spain. The castle is said to be haunted by the ghost of a murdered princess, and Warren must use all of his skills to uncover the truth and lay the ghost to rest. The novel is full of suspense, mystery, and adventure, and it is sure to keep readers on the edge of their seats.