Cam investigates when a thief steals her mother's video camera and a tape containing footage of a big scary snake

For Lionel, fall means starting a new school year, raking leaves, and getting to dress up as a knight and chase a dragon from house to house on Halloween

Using her photographic memory Cam Jansen joins Eric in solving the mystery of how some of the school computers were stolen

Lionel enjoys the longest day of summer, celebrates the Fourth of July, has a lemonade stand, and travels on vacation with his family

When her friend Eric loses the key to their locker at the ice skating rink, Cam uses her photographic memory to solve the mystery

To celebrate their 100th day of school, Cam and Eric's class party will have snacks that start with "P"--pretzels, popcorn, pineapple juice, and pizza. But when the pizza disappears from the kitchen, it's up to Cam and her photographic memory to solve this delicious mystery

When Cam, her father, and friend Eric go to the airport to meet Cam's Aunt Molly, they help her find her missing shoes

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

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

When a baseball game is stopped because of a lost ball, Cam uses her photographic memory to find the ball