Velma asks young readers to help Scooby-Doo and the gang determine who is posing as a ghost knight and haunting the Ticklewell estate and pillow factory by reviewing her notes, examining the
crime scene pictures, and solving puzzles to find clues and suspects.Velma asks young readers to help Scooby-Doo and the gang determine who is posing as a ghost knight and haunting the
Ticklewell estate and pillow factory by reviewing her notes, examining the crime scene pictures, and solving puzzles to find clues and suspects.