A fifth-grader with a photographic memory and her friend Eric help solve the mystery of the stolen diamonds.

A to Z mysteries series, bk. 3. Dink and his friends investigate why pets, like Mrs. Davis's canary, Mozart, are mysteriously disappearing all over town.

Josh and his two friends look for the person who stole a peregrine falcon from its nest.

When a thief takes the box office money at the school play, Cam uses her photographic memory to solve the mystery.

Eccentric Aunt Jane needs help on her ranch so the Aldens, affectionately known as the boxcar children, get help from a private detective.

When 7 is accused of eating 9, worried 6 hires a detective to investigate.

Mystery, Inc. searches for the glowing monster that is sabotaging a snowboarding race.

Shaggy and Scooby search for a mysterious horse thief at Tumbleweed Ranch.

Ty the Tynnosaurus Rex loves to experiment, but when his friends arrive there is slime everywhere and Ty has disappeared--so the Dino Detectives swing into action.

When the Aldens spend the summer riding on a train, they get to live in a train car once again - this time, they're staying in Caboose No. 777. The number is hard to forget, and indeed, the children meet people at each stop who seem to know it well. It turns out Caboose No. 777 has an unusual past - one that comes with its very own mystery!