I had no idea how powerful this book really is. I read it a few years ago along with several other atheist books but never realized what an impact it had on so many people.
Check out the Converts Corner. Awesome stories of rationality. It gives me hope that so many are finding their way out of superstition and ignorance.
"The most valuable thing you have taught me is that there are people in the world who think rationally, reason justly and don't live in subjugation to superstition. That knowledge alone makes me feel, at times, quite a bit better."
-Stephen "the onus of proof is not on me" H