There are some real jewels here. At one point he digresses for about a chapter and a half to explain Virginia's legal right to withdraw from the Union. This book details the five years from his surrender at Appomattox to his death. There are a few good biographies of Lee, and this is one of them. You didn't say anything about limiting the categories, so I didn't.
Some modern fiction is good, classics are better.
There's nothing like a good story. I can dig those up if you like. Also, I'm going to get Mike Alsup to put together a list for me. We're still doing the Confession study it shouldn't be to hard to get it from him. I don't think I've ever written an email that long.