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.

When Horrible Harry's pet cat, Googer, sneaks a ride and gets into the school building, third-graders Harry and Doug have to catch him before anyone else does, which means going into some forbidden places.

When their most valuable loot, a big hunk of cheese, is stolen, Riff Raff and his rodent pirate gang embark on a quest to reclaim their lost treasure.

King's human, Kayla, has baked some treats for a friend's new puppy, Thor, but some go missing and it is up to King to find the culprit.

On a class trip to the birdhouse, Pinkalicious discovers that the parakeet has escaped and tries to bring the bird back home.

When King's favorite blue ball goes missing, he and Kayla must put together clues to figure out where it went.

"Best friends Harry and Doug must find their teacher's missing diamond in time for the class talent show."--

"Splat notices that his favorite wooden ducks keep going missing--can Secret Agent Splat solve the mystery?"--

Froggy and his father search the house for the mislaid items they will need on their bike trip.

The reader is invited to help Duck and his animal friends find a missng item.