In Simple Machines: Lever, young learners in grades 1–3 will explore how levers give us the lift we need. From scissors to wheelbarrows, this 24-page title us

"Body Physics was designed to meet the objectives of a one-term high school or freshman level course in physical science, typically designed to provide non-scie

Pressing Down explores the benefits and uses of the lever. RobbO and RobbEE learn how a lever can be formed in three different ways to do different kinds of wor

Most people want to be successful in life. And of course, everyone wants to be happy. When it comes to the pursuit of success and happiness, most people assume

Based on a ten-year examination of control systems in over 50 U.S. businesses, this book broadens the definition of control and establishes a critical bridge be