First published 1998
When Tom's family moves into a creepy old castle, he discovers it's haunted by mischievous ghosts. Teaming up with a professional ghosthunter, they must outwit the spirits and uncover the castle's dark history before the ghosts unleash their full, ghostly wrath.
Genres: fantasy, horror, ghost-stories
Vibes: atmospheric, suspenseful, whimsical
Tropes: found-family, supernatural-elements
Setting: Gruselburg
Period: 20th-century
117 pages · Paperback · Chicken House/Scholastic Inc.