David A. Adler

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

Cam Jansen and her friends are volunteering at a talent show at the local senior center. They're having fun entertaining the guests and enjoying treats donated by Ken's Bakeshop. But during the show someone steals the wedding cake from Ken's truck out front. Can Cam use her photographic memory to solve the mystery before the wedding? The 30th mystery in this series has Cam volunteering in her community and tracking down a thief with a sweet tooth!...

Cam Jansen?s school is going green. For each can or bottle Cam and her classmates bring in to be recycled, the school earns a nickel. But when all the nickels go missing, everyone suspects they were stolen. Can Cam click! and use her photographic memory to solve this mystery?

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

Surveys the life of Benjamin Franklin, highlighting his work as an inventor and statesman.

Recounts the life of Daniel Boone, most famous for opening up the West to settlers through Kentucky, and shows how he became a symbol of America's pioneering spirit.

A biography of the man who, after escaping slavery, became an orator, writer, and leader in the abolitionist movement in the nineteenth century.

It can be surprising which objects float and which don't. An apple floats, but a ball of aluminum foil does not. If that same ball of foil is shaped into a boat, it floats! Why? And how is it possible that a huge ship made of steel can float? Answering these questions about density and flotation is David A. Adler's clear, concise text, paired with Anna Raff's delightful illustrations. Activities that demonstrate the properties of flotation are

...

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

...

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...