mystery and detective stories

While at a farm picking vegetables for Thanksgiving dinner, Daphne, Velma, and Fred are turned into pumpkin-headed monsters and Scooby and Shaggy must help them.

While sightseeing in Niagara Falls, the Boxcar children investigate a rash of souvenir store thefts.

A collection of ten adventure stories featuring Scooby-Doo and the gang.

Presents ten short adventure stories featuring Scoobie and the gang.

Nancy Drew and her friends investigate the strange lights and noises that have been coming from the woods in River Heights Park.

Nancy Drew investigates when a rare copy of an author's first book disappears in a book store.

Describes the adventures of the Alden family as they ride across country in a caboose that has a strange history--or is it a mystery?.

Scooby-Doo investigates when a vampire steals a jewel from the Brickstone Hotel.

Frank and Joe investigate the disappearance of an exotic mask.

Frank and Joe Hardy search for clues to solve the mystery of the Beast-o-matic, which crazy inventor Mike Mendez has apparently used to turn their friend Chuck into a dog.