"In this book, Richard W. Bulliet focuses on three major phases in the evolution of the wheel and their relationship to the needs and ambitions of human society. He begins in 4000 B.C.E. with the first wheels affixed to axles. He then follows with the innovation of wheels turning independently on their axles and concludes five thousand years later with the caster, a single rotating and pivoting wheel. Bulliet's most interesting finding is that a simple...

Since the beginning of time, inventors have been coming up with new ideas. But many of them did not necessarily get it right on their first attempts. Far from it! Invention is a process of trial and error. Learn how the inventors in this book kept trying until they finally succeeded. Featuring TIME For Kids content, this nonfiction reader includes clear, informational text, stimulating facts, and detailed photos and sidebars to engage students as...

An A to Z introduction to modern inventions such as computers, microwave, umbrella, zipper and many more. Each invention is introduced with a poem and includes detailed-filled expository text.

Collaborating with The Colonial Williamsburg Foundation, Mary Miley Theobald has uncovered the truth behind many widely repeated myth-understandings in our history in Death by Petticoat.