mystery and detective stories

The new tutor at Goody Hall is pleased with his job but can't help feeling there is something peculiar about the household.

Milton and James, the skate patrol, figure out the surprising identity of the culprit who has been stealing pets from their apartment building.

Accompanying their father on a project that takes them to a ghost town in Nevada, teenage twins Sara and Sam discover peculiar nocturnal activities and clues to a hidden treasure of gold nuggets.

Hallie and her friends try to find out who is threatening to kill her cat.

Because Sean Quinn and his friend Matt played some pranks on the school computer, they get the blame when the computer is infected by a virus and someone programs all the school bells to ring continually. When Sean begins to get threatening messages at home, the Casebusters must find out who is behind it.

Jeff Wells leaves the space academy with his mixed-up robot Norby and the two of them head back to Earth to help Jeff's brother unravel a mystery involving zapped robots and stolen computer parts.

Called back to London on a special work assignment, a young woman has persistent misgivings about leaving her house and children in the care of the strange couple hired by her husband.

When their favorite author fails to arrive as scheduled to speak at the local library, the Alden children investigate how he could board a train and never be seen again.

Contains two stories: Shaggy and Scooby suspect their new Romanian roommate is a werewolf; and a mysterious tiki monster causes trouble on the Mystery, Inc., gang's vacation in Hawaii.