David A Adler

While helping his family make ends meet during the Depression by selling newspapers, a boy meets Babe Ruth.

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.

While visiting Aunt Molly at a fancy downtown hotel, Cam uses her photographic memory to help one of the guests find her stolen luggage and pet cat, and to catch the thief.

Ten-year-old Cam, possessor of a photographic memory, and her friend Eric investigate what seems to be a brief appearance of U.F.O.s.

Danny and Calvin decide to find out why their fourth-grade teacher, Mrs. Cakel, is suddenly behaving very strangely by not only failing to enforce her many rules, but by violating some herself.

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

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

When Aunt Molly takes Cam and her friend Eric to the circus, their box of caramel popcorn mysteriously disappears.

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

Fifth-grade sleuth Cam Jansen and her friend Eric combine wits to solve the disappearance of a young French girl.