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

Cam's photographic memory helps a scatterbrained substitute teacher, especially when he discovers that he has misplaced his coat.

Cam and her friend Danny help solve the mystery of a stolen pearl necklace when the governor comes to visit their school for the dedication of the new library.

Detective Jeffrey Bones hates taking math tests, especially one he has forgotten to study for, so when his test paper goes missing he must make a choice--retake the test and try to do better, or find the missing paper.

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.