mystery and detective stories

A self-directing adventure starring Nancy Drew and the Hardy brothers, who are investigating the disappearance of a briefcase full of money.

Ten brief cases in which the reader pits his wits against those of Encyclopedia Brown, an ingenious twelve-year-old detective.

Ernie uses her eagle eye to solve the mystery of the Maple Street spy ring.

Twelve-year-old Angie, while tracking a gang of teenage thieves to help her sister who is a police officer, becomes dangerously involved with counterfeiters.

The first case to come to Phoebe Danger's detective agency involves a priceless cough syrup bottle, a group of Canadian ornithologists, and a shop specializing in Latin American curios.

The theft of some mutant army ants by a scarecrow leads the Three Investigators to the solution of two daring crimes in the art world.

The ice cream store seems to be haunted because chocolate chip ice cream disappears every night.

Second-grader Goofball Malone is known to be good with jokes, but he finally gets his chance to be a detective when a dalmatian dog, Professor Pup, runs off from his owner.

The group of young people in Newport, Rhode Island, who call themselves the Casecrackers, try to discover the identity of a ghost seen on nearby Hazard Island.

While riding a cable car in the Alps, Miss Mallard witnesses a robbery at the retreat of the famed Madame Merganzer.