Adler, David A

Cam Jansen uses her photographic memory at the school Green Fair to solve a mystery involving a missing electric car.

Cam and her best friend, Eric, pick up Aunt Molly at the airport, but must help her find her missing high heel shoes.

When the pizza that is supposed to be served during Cam Jansen's 100th day of school celebration suddenly vanishes, Cam and her best friend Eric team up to find the missing food in time for the party.

Cam and her best friend, Eric, pick up Aunt Molly at the airport, but must help her find her missing high heel shoes.

Using her photographic memory Cam Jansen joins Eric in solving the mystery of a Valentine's day robbery in a hospital waiting room.

Presents a collection of activities for children on the history and tradition of Hanukkah and includes riddles, puzzles, mazes, crafts, songs, and Hanukkah recipes.

Cam uses her photographic memory to identify the person who stole a valuable autographed baseball.

Explains in simple terms the concept of supply and demand with examples of how prices are derived and the conditions that contribute to setting them up.

Cam and her friend Eric chase the thief of Aunt Katie's wallet through an amusement park.

Cam Jansen trys to solve another mystery when she discovers a trash can in front of a house that is supposed to be empty while selling candy with Eric for the school fundraiser.