The intriguing tale of why the United States has never adopted the metric system, and what that says about us. The American standard system of measurement is a

Understand the rules that make the universe run. Understanding the laws of physics is essential for all scientific studies, but many students are intimidated by

Explanations, definitions, exercises involving length, area, volume, and mass calculations, lists of conversion factors, and tables of equivalents help readers

For almost four decades, Made Simple books have set the standard for continuing education and home study. In answer to the changing needsof today's marketplace,