When the Mystery Inc. gang gets lost in the desert they decide to check out the local ghost town, Sladeville, and find it apparently full of ghosts--but Velma suspects that living people are behind the ghostly manifestations.
When the gang drives out to Bushytail Farm to visit a friend, they find their friend missing, an unfriendly caretaker and zombies wandering around the farm--and the reader must help them rescue their friend and find out what is going on.
The Liberty Dog Show is being haunted by two monster mutts with glowing red eyes, and the Mystery Inc. gang are called in to investigate--but the gang suspects that these ghost dogs are too well trained to be real ghosts.
Fred's friend invites the Mystery Inc. gang on a "vacation" on the old pirate ship he just bought, but there seems to be another crew on board--a crew of skeleton pirates who intend to take their ship back.
"Scooby-Doo, Shaggy, and the gang can't wait to take their stuff to the Antique Attic Show and find out if it's trash or treasure! But when Scooby shows his skeleton key, the ghost pf a pirate suddenly appears and tries to steal it from him"--Back cover.
