I have read all of Mr. Shaara's novels, this one is a bit below them since it does not flow as smooth, and I got the feeling that he took too much "liberties" with the characters. There is no way for us to know exactly what was said, and who was thinking what, but I felt he went a little beyond his "Gods and Generals", and "The Last Full Measure" being much more free with historical characters.
Mr. Shaara did justice to General Scott, who to this day does not get the credit he deserved, but I think he got a bit confused with the character of R.E. Lee in his youth.

All in all, I really enjoyed reading the book and if you enjoyed this author's previous works, you'll enjoy this one also