mystery and detective stories

Skinny and Snitch match their wits against the invisible door ringer.

As you, the reader, work on a newspaper story about your town's annual bicycle race, your suspicions are aroused that something sinister is happening involving the new electronics plant.

Headed for the Grand Canyon to investigate a mystery at a hotel, Basil finds himself involved in dangerous adventures as he tries to foil the schemes of a ruthless smuggler.

Jessica and Elizabeth and their friends in the Snoopers Club have uncovered their most difficult case yet. They must find the bell that helps Santa's reindeer fly.

Claudia decides to investigate when she and the other members of the Baby-sitters Club receive mysterious phone calls while out on assignments.

Freddie plans to make money to buy a new bike by baking cookies. Then the theft of his grandmother's recipe causes him to stop and search for the thief.

The Bobbsey's neighbor Mr. McAlpin has won two tickets to the old-timers baseball game, but when he finds the envelope that is supposed to hold the prize, it's torn and empty.

Freddie and Flossie try to help Professor Osgood locate some mice which have escaped from his lab.

Chief, the twin's dog, decides to help them clean up Casper Creek. But something has gotten into him and is making him sick.

The twins enter a treasure hunt giveaway. They crack the contest code, but the video holding the final clue is gone.