David A Adler

A fifth-grader with a photographic memory and her friend Eric help solve the mystery of the stolen diamonds.

On a field trip to the zoo, Cam Jansen uses her photographic memory to help solve what happened to Danny's lunch.

Fifth-grade sleuth Cam Jansen uses her photographic memory to solve a monkey smuggling mystery at the city zoo.

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

When Cam Jansen and her friend Eric go the music store at the mall for the latest CD by the Triceratops Pops band, Cam uses her photographic memory to foil a crime.

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.

Junior sleuth Jeffrey Bones and his grandfather enjoy a day at the amusement park until their tickets to ride the giant roller coaster mysteriously disappear.

When eight-year-old sleuth Cam Jansen and her friend Eric go to a birthday party, she uses her photographic memory to solve the puzzle of the dinosaur count. When fifth-grader Cam Jansen and her friend Eric go to a birthday party, she uses her photographic memory to solve the puzzle of the dinosaur count.

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