Specifically this viewer video review, which gives you a good idea whether you want to buy the book or not. Quite frankly it looks glossy
. Not sure I understand the gripe about lack of concept art, I saw quite a few while he was flipping through it.
http://www.amazon.com/review/RJ8NQC9N4A338/ref=cm_cr_rdp_perm

http://www.amazon.com/review/RJ8NQC9N4A338/ref=cm_cr_rdp_perm