A book to read to learn about Robert E. Lee and his racism and to learn how the whole Lost Cause idea of Lee as being a hero is just humbug.

http://uncpress.unc.edu/books/T-126.html

Alan T. Nolan called the book, "Lee Considered" instead of "Lee Reconsidered" since, as Nolan explained, prior book about Robert E. Lee were just hokum, junk and not historical.

Here is a review in the New York Times.

http://www.nytimes.com/1991/07/07/books/lee-without-tears.html