Cam doesn't know who's hiding out in a deserted-looking house, but she's sure he's up to no good.

When Cam and Eric see strange lights above the trees, they investigate and find there's more to the alien invasion than meets the eye. 

When monkeys go missing from the zoo, Cam Jansen is sure she knows how the thief took them from their cages. 

When the governor, who is running for president, visits Cam's school, Cam teams up with the Secret Service to solve a mystery.

When the latest recordings by Cam's favorite group go missing from the store, Cam needs to crack the case.

Cam and her friend Eric want to play baseball in the park with some other kids, but their ball is missing. Where can it be?

When her classmates find a lost cat, Cam needs her amazing memory to help them find the cat's owner.

Annie loses her tooth during art class and can't find it anywhere. Will Cam Jansen's memory help her find the missing tooth?

When Cam and Eric go on a field trip with their class, Cam discovers that some bones are missing from the skeleton of the Coelophysis dinosaur.