http://wyeth.artpassions.net/wyeth.html <read the original version of the book, with the original art drawings. good stuff.
Ive first read the book something like 10 years ago, when I was still a kiddo. loved it. this guy was like McGyver, but without the flashiness. white knuckled efforts, trying to survive, with a few cannibals, and some religion and politics thrown for good measure. must read.