While visiting Wallis's castle, Dink and his friends investigate strange noises that lead them to a dangerous secret.

Cam, her father, and her friend, Eric, go to the library and soon Cam has a mystery to solve: her father's shopping list has disappeared. Cam decides to use her amazing skills to investigate and puts her photographic memory into action.

Scooby and the gang are chasing clues in a haunted baseball stadium.

When Ruth Rose and her friends, vacationing in Florida, discover that her grandmother is about to invest in a project to recover sunken treasure, they stumble upon evidence that the entire plan may be a fraud.

Fifth-grade sleuth Cam Jansen uses her photographic memory to solve a monkey-smuggling mystery at the city zoo.

Big Max, the world's greatest detective, must travel to the land of Ah-Ah-Achoo to find the king's missing pet giraffe.

When a cat appears in their classroom one rainy day, Cam and her friend Eric figure out where it came from.

"Someone knocked out Todd and Noelle's friend Pops Verner, the night watchman at the department store, and stole his treasured pocket watch. He's pretty sure the robber is one of the three men who work in the storeroom. But how can he figure out which one ..."--Cover back.

Bunny and Jack investigate the disappearance of a trombone from Mr. Riley's music store.