I saw a book in the bargain section of Borders Express at the mall. It is called Mechanized Warfare by Simon Dunstan. It is 256 pages and covers WW1-Iraq. It is mostly pictures which is great. Some of the photographs cover two whole pages. Each page is 11 1/8 by 14 1/4. There are many full page photos. For $15, I think it is pretty good. I'll get some shots of it up soon.