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

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

Cam Jansen, her friends, and their parents are at school for a book fair. Everyone?s favorite mystery writer, Jim E. Winter, is also there signing books. During the signing, Danny?s parents discover their car is missing. Was it stolen? Jim E. Winter thinks he can solve the mystery. But will super sleuth Cam click her way to the thief first? Perfect for beginning chapter book readers, Cam Jansen continues to win new fans.

No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory!
Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to a park with U.F.O.s in sight! Cam and Eric see flashing lights in the sky, and everyone thinks aliens have landed. But Cam knows there's more to it than meets the eye. Can she solve this unearthly mystery?
The Cam Jansen books are perfect for young readers who are making the

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No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory!
Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to the museum. Cam and her class are on a fild trip at the museum when Cam discovers that some bones are missing from a dinosaur skeleton. Can Cam find the bones and catch the thief? 
The Cam Jansen books are perfect for young readers who are making the transition to chapter...

The Cam Jansen books are perfect for young readers who are making the transition to chapter books, and Cam is a spunky young heroine whom readers have loved for over two decades. Now the first ten books in the series have updated covers that bring new life to these perennial best-sellers. Old fans and new readers will love Cam's cool, modern look!

No mystery is too great for super-sleuth Cam Jansen and her amazing photographic memory!
Mysteries follow super-sleuth Cam Jansen everywhere she goes...even to a book signing. Cam is waiting in line for a book "pawtograph" from famous TV dog Poochie when he mysteriously disappears and is replaced with an imposter! Can Cam find the real Poochie? 
The Cam Jansen books are perfect for young readers who are making the transition...

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...

The school play is about honest Abe Lincoln, but someone has been less than honest with the admission money. Can Cam, with the click of her photographic memory, find the missing money before the thief makes his getaway?

Someone's been monkeying around at the zoo, and now some monkeys are missing! Leave it to Cam to find the thief, and to return the missing monkeys safely to their cage.