Henry David Thoreau was known for living simply, but his views and convictions were anything but. This insightful text introduces the man who, though he lived alone in the woods for part of his life, stood up against slavery and war. Readers will learn how this reclusive figure assisted with the Underground Railroad and wrote provocative essays that inspired history's most famous writers and activists. Additional digital biographies, background, and vocabulary provide background for Thoreau's story, while showing readers the palpable power of passionate, well-crafted words.