Subject(s): Scooby-Doo -- (Fictitious character) -- Juvenile fiction. | Dogs -- Juvenile fiction. | Halloween -- Juvenile fiction. | Pumpkin -- Juvenile fiction. | Haunted houses -- Juvenile fiction. | Jack-o-lanterns -- Juvenile fiction. | Haunted houses -- Juvenile fiction. | Detective and mystery fiction. | Fiction. | Juvenile works. | Radio and television novels.