David A Adler

Danny and Calvin decide to find out why their fourth-grade teacher, Mrs. Cakel, is suddenly behaving very strangely by not only failing to enforce her many rules, but by violating some herself.

A brief account of the life and accomplishments of Eleanor Roosevelt.

Cam uses her photographic memory to help a classmate find the tooth she lost at school.

A brief account of the life and accomplishments of Christopher Columbus.

Introduces children to American currency values and the basics of adding and subtracting money.--

Discusses the life of the pilot who was the first woman to cross the Atlantic by herself in a plane.

Andy and Tamika are watching their neighbor's house while they are away, but when strange and troubling things start happening inside the house, the police do not believe the children.

"The characteristics of circles as well as how to find the radius, diameter, circumference, and area of a circle are explained and illustrated in this geometry picture book"--

Introduces the basics of magnetism, covering such concepts as attraction, poles, electromagnetism, and force.

Eight year old sleuth Cam Jansen uses her photographic memory to discover what happened to a classmate's missing cookie. Cam Jansen can find a mystery anywhere, even in the school lunch room. When Jason opens his lunch box and finds only cookie crumbs, Cam's amazing memory clicks into action.