On Green Day at her school, Cam and her classmates discuss ways to protect the environment, but when money collected for the the school's new skylights disappears, Cam uses her photographic memory to solve the mystery.

"Mo is the youngest kid on the Robins football team. The kids on the rival team tease him for being a 'butterfingers' who's too tiny to catch the ball. But Mo's coach has a plan up his sleeve to turn Mo's little size into a big win for the Robins"--Provided by publisher.

Eight year old sleuth Cam Jansen uses her photographic memory to discover what happened to a classmate's missing cookie. Cam Jansen can find a mystery anywhere, even in the school lunch room. When Jason opens his lunch box and finds only cookie crumbs, Cam's amazing memory clicks into action.

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

When a special autographed basketball is stolen, Cam Jansen uses her photographic memory to identify the thief.