Gretchen Woelfle: 3 books

Even as American Patriots fought for independence from British rule during the Revolutionary War, oppressive conditions remained in place for the thousands of enslaved and free African Americans living in this country. But African Americans took up their own fight for freedom by joining the British and...

"All men are born free and equal." Everybody knows about the Founding Fathers and the Declaration of Independence in 1776. But the founders weren't the only ones who believed that everyone had a right to freedom. Mumbet, a Massachusetts slave, believed it too. She longed to be free, but how?...

Explaining how the wind works, what windmills have contributed to the past, and why they offer environmental promise today as a source of clean, renewable energy, this revised and updated edition offers a glimpse into all the current and historical uses for wind power. Featuring new information on...