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

A fifth-grader uses her photographic memory, her mother, and her friend Eric to find a missing reel of a monster film they go to see.

Cam investigates when a thief steals her mother's video camera and a tape containing footage of a big scary snake.

Fifth-grader Cam Jansen uses her photographic memory to help find a pickpocket at the circus.

When Cam Jansen and her friend Eric uncover a mystery while selling fudge door-to-door to raise money for the local library, Cam uses her photographic memory to foil a crime.

While at the airport waiting for her father to pick up his best friend from childhood, Cam Jansen uses her photographic memory to help a distressed father find his missing daughter.

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. Aided by her friend Eric and using her excellent memory, Cam Jansen investigates the disappearance of Mrs. Scott's valuable pearl necklace during a charity brunch. Book #32.

While Cam's Aunt Molly is competing in a comedy contest, the expensive plate the winner will receive disappears and Cam and Eric set out to find it before the contest's over.

It's Valentine's Day, and Cam is at school when she learns her mother is about to give birth.

Ten-year-old Cam, possessor of a photographic memory, and her friend Eric investigate what seems to be a brief appearance of U.F.O.s.