Product Description: Tundra's Great Idea Series are early-reader biographies. The third book in the series introduces the fascinating Margaret Knight. Known as Mattie, she was different from most American girls living in 1850. She loved to make things with wood and made the best kites and sleds in town...read more

Describes how Mattie Knight began her lifelong career as an inventor and developed her first invention, a stop-motion device to make looms safer for textile workers who, at the time, included many young children.

The stories of twenty ingenious young Americans who have filed patents with the U.S. Patent Office include Chester Greenwood, who invented ear muffs, and Vanessa Hess, who created colored car wax

Examines twenty young female inventors and their creations, from Jennifer Donabar and her electric lock to Jeanie Low and her kiddie stool. (view table of contents)