based on a foundation of gettysburg history, certainly. and it really has -- you know, the novelist did it so well that you often can't separate the fact from the fiction. it really effects the way we look at these stories. there were so many great stories. the one that always stood out to me was armistead and hancock. two friends, almost brothers, served together in the u.s. army, torn apart by the civil war. a teary-eyed farewell in 1861 and meet here, where armi stead's men attack hancock's men and both fall wounded. i wanted to learn more about that and there wasn't much out there. i wanted to read a book on armistead and hancock and there wasn't one. why there's one now. i thought okay, i'll go back. you folks may have gone through the same sort of things as you're digging through the movie. i thought there has to be a lot written about the confederate general who achieved the deepest penetration. 158 years and one book. 64 pages and -- no, it's done by william mauts, now the ceo of the gettysburg foundation. and another one with a fe