Barbie and her friends become secret agents who help find a gem thief.

The villagers can't put on their legendary Winter Party when they're robbed of their tools, so Beast sets off to find who stole them, then befriends the snow beast criminal who returns the tools and is forgiven by the village.

Betty's bakery has been burgled, and it is up to the Gumshoe Zoo to solve the criminal conundrum of who stole (and ate) the purloined pastries.

Danny Dragonbreath and his friends try to help the senior reptiles of Sunny Acres find a lost item.

Eight-year-old Nancy Drew investigates when a doll goes missing at a sleepover party.

Using her excellent memory, Cam Jansen, aided by her friend Eric, investigates the disappearance of Mrs. Scott's valuable pearl necklace during a charity brunch.

Fifth-grade sleuth Cam Jansen uses her photographic memory to catch a thief during a department store sale.

The Aldens investigate when an old wooden mask they have found is stolen.

"Dink, Josh, and Ruth Rose solve a mystery at the Museum of Science"--

Using her photographic memory Cam Jansen joins Eric in solving the mystery of how some of the school computers were stolen.