Discusses the scientific and technological principles involved in the manufacture of such school supplies as paper, ink, pencils, chalk, glue, and erasers. Incl

A latest collection of nose-wrinkling facts, presented by Judy Moody's encyclopedia-reading little brother, features more stomach-churning scientific trivia tha

Lists all the resources needed to create a balanced curriculum for homeschooling--from preschool to high school level.

For anyone curious about the nuts and bolts of human ingenuity, How Things Are Made is a fascinating exploration of the process behind the manufacture of everyd

In August 1972, Ryszard Kuklinski, a highly respected colonel in the Polish Army, embarked on what would become one of the most extraordinary human intelligence