America's Great Debate: Henry Clay, Stephen A. Douglas, and the Compromise That Preserved the Union - Fergus M. Bordewich This book was LOADED with detail. I have read well over 100 books on this period of time in our history. I am now starting with books leading up to the Civil War and I count this as one of the tops. Just a note though...this book is a slower read. Because of the detail and trying to keep information straight, I was only able to read about 20 pages per day.