In his latest case, young Jeffrey Bones tries to discover the whereabouts of his grandfather's missing birthday present.

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.

When fifth-grader Cam notices that the prizes for the most difficult game at the school carnival are rapidly disappearing, she uses her amazing photographic memory to investigate.

When Cam Jansen and her friend Eric go the music store at the mall for the latest CD by the Triceratops Pops band, Cam uses her photographic memory to foil a crime.

When fifth-grader Cam Jansen and her friend Eric go to a birthday party, she uses her photographic memory to solve the puzzle of the dinosaur count.

On a field trip to the zoo, Cam Jansen uses her photographic memory to help solve what happened to Danny's lunch.

Cam and her friend Eric chase the thief of Aunt Katie's wallet through an amusement park and find themselves involved in another case requiring their special detective skills.

While visiting Aunt Molly at a fancy downtown hotel, Cam uses her photographic memory to help one of the guests find her stolen luggage and pet cat, and to catch the thief.

Cam uses her photographic memory to catch a thief disguised as a ghost.

Cam Jansen and her friends are volunteering at the local senior center talent show. They're having fun entertaining the guests and enjoying treats donated by Ken's Bakeshop. But during the show someone steals the wedding cake from Ken's truck outside. Can Cam use her photographic memory to solve the mystery before the wedding?