David A Adler

On Green Day, Cam and her classmates discuss ways to protect the environment, but when money collected for the school's new skylights disappears, Cam uses her photographic memory to solve the mystery.

Readers are invited to the premiere of a 3-D movie. The star-studded cast of monsters will help them calculate the perimeter of the set, the area of the movie screen, and the volume of their popcorn box. Learning about dimensions has never been so entertaining.

It's Cam Jansen's first day of fifth grade and she and her friend Eric can't wait to meet their new teacher. Only their day turns out to be more exciting than they ever expected. First their school bus gets stuck in traffic and they have to walk to school. Then they see a car crashed into a tree. And then their new teacher is taken away by the police! "Click," says Cam, using her photographic memory, and her mind is off and running on how to solve...

Traces the life and achievements of the architect, bibliophile, president, and author of the Declaration of Independence.

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.

Cam uses her photographic memory and her brain to solve two mysteries at the beach, involving a missing mother and a missing set of papers.

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

Young Detective Jeffrey Bones investigates the disappearance of the plastic dinosaur his grandfather just bought for him in a museum gift shop.

Follows the life of the popular president, from his childhood on the frontier to his assassination after the end of the Civil War.

"Mo Jackson is excited for his baseball game, but Coach Marie tells him he is batting last and playing right field, again. Will Mo ever get a hit?"--