Overall, a good book, with lots of information. It is heavily slanted in favor of native americans, and includes what I would term disinformation. If you know history, these sentences will stand out.
Could have used some good maps and better images. The photos in the middle of the book are junk, and don't do justice to a vast topic. Could also have done a lot with appendices, which are sorely lacking. I'm an info junkie; i like summarized data in addition to the long read.
Layout of the book is average.