Tells the story of the enslavement of the Children of Israel by the pharaoh, the coming of Moses, the ten plagues that struck Egypt, and the delivery of the Children of Israel from slavery.

Introduces readers to algebra by using simple addition, subtraction, multiplication, and division to solve equations.

Introduces triangles, discussing the different types of triangles and the concept of triangle size measured in degrees.

A basic introduction to the concept of fractions.

A biography of the Alabama black woman whose refusal to give up her seat on a bus helped establish the civil rights movement.

Kids use simple machines every day without realizing it. Teeth are wedges and so are knives, forks, and thumbtacks. Many toys such as slides, which are inclined planes, and seesaws, which are levers, are also simple machines. Two appealing kids and their comical cat introduce levers, wheels, pulleys, inclined planes, and more, and explain how they work. This lively introduction to physics will get kids excited about how simple machines simplify our...

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.

"An apple floats in a tub of water, but a ball of aluminum foil sinks to the bottom. But wait. If that same ball of foil is flattened out and shaped into a boat, it floats! How can that be? David A. Adler's clear, concise text and Anna Raff's delightful illustrations explain the basic principles of flotation and density in a way that will really sink in"--Front dust jacket flap.

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