I didn't do all the armor plating. I just added in one more on the chest and stopped there. I think I had general idea down. So here's my finished model.
Compared to what the author of the book did, his was more detailed but mine's not too shabby. It turned out better than I expected. I wasn't planning on doing so much. I was just going to do the face and stop there. But I'm glad I went as far as I did.