Eight year old sleuth Cam Jansen uses her photographic memory to discover what happened to a classmate's missing cookie. Cam Jansen can find a mystery anywhere, even in the school lunch room. When Jason opens his lunch box and finds only cookie crumbs, Cam's amazing memory clicks into action.

When her friend Eric loses the key to their locker at the ice skating rink, Cam uses her photographic memory to solve the mystery.

When Cam, her friend Eric, and her father stop for pizza while they are at the mall, Cam must rely on her photographic memory to locate her missing jacket.

Cam uses her photographic memory and her brain to solve two mysteries at the beach, involving a missing mother and a missing set of papers.

This time Cam Jansen relies on her hearing rather than her photographic memory to find a missing classmate.

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

When Cam, her father, and friend Eric go to the airport to meet Cam's Aunt Molly, they help her find her missing shoes.

Cam Jansen uses her photographic memory at the school Green Fair to solve a mystery involving a missing electric car.

Cam Jansen must use her photographic memory to help find a magician's lost bird.

Eric's Grandma Minnie and Grandpa Max keep hearing someone knock at their door, night and day, but find no one there, so Cam tries to solve the mystery using her amazing memory.