Susanna Natti

When a cat appears in their classroom one rainy day, Cam and her friend Eric figure out where it came from.

When Cam's grandparents are robbed on their way to her parents' surprise birthday party, Cam uses her photographic memory to solve the mystery.

Lionel's many school-related adventures include a nervous Back-to-School night with his parents, the welcoming of a new classmate, a sister who doesn't seem to recognize him, and an experiment with time.

Lionel counts down the days to his birthday party by making a time capsule and by letting his sister know what he wants for a present.

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

When a thief takes the box office money at the school play, Cam uses her photographic memory to solve the mystery.

When Cam Jansen and her friend Eric uncover a mystery while selling fudge door-to-door to raise money for the local library, Cam uses her photographic memory to foil a crime.

Lionel's spring activities include plans to plant a vegetable garden, helping celebrate his parent's anniversary, playing with his friend, and participating in spring cleaning.

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 a woman's poodle disappears during a boat ride around the city, Cam uses her photographic memory to solve the mystery.