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.
Cam and her friend Eric are having a great time at the circus with Aunt MollyNthat is, until their box of popcorn goes missing. Did they lose it, or was it stolen? It's up to Cam and her photographic memory to figure it out!.
Cam Jansen, her Aunt Molly, and her friend Eric, win two goldfish as soon as they win them at the state fair. Cam must use her photographic memory to find their goldfish again.
When it is discovered that dinosaur bones are missing from the natural history museum, Cam Jansen--noted for her photographic memory--and her friend Eric search for clues.