David A Adler

"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?"--

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!...

A brief biography of the African American scientist who overcame tremendous hardship to make unusual and important discoveries in the field of agriculture.

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.

Biography of the black woman who escaped from slavery to become famous as a conductor on the Underground Railroad.

Cam and her friend Danny help solve the mystery of a stolen pearl necklace when the governor comes to visit their school for the dedication of the new library.

Using her excellent memory, Cam Jansen, aided by her friend Eric, investigates the disappearance of Mrs. Scott's valuable pearl necklace during a charity brunch.

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

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Questions about different kinds of triangles are answered with a crystal-clear text and cheerful illustrations starring two friendly kids and one savvy robot.