In the Bag! 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. Her father died when she was only three and by the time she was twelve she was working at the local cotton mill, alongside her two older brothers. One day she saw a worker get injured by a shuttle which had come loose from the giant loom, and the accident inspired her to invent a stop-motion device. It was to be the first of her many inventions. Margaret devoted her life to inven...