I was going to post something like that but I couldn't bring myself to it (and no I'm not faulting you for writing it).
Here's a web site about Brian and the book. http://www.facethefire.org/refined/
I have personal email from one of the men who rescued Birdwell and others from the Pentagon. He was right inside the building and saw the wreckage of the plane. He suffers post-traumatic stress disorder because of the horrors he saw that day.