I've been watching this guy operate for years, and I know all his tricks. He had another eBay ID before but I can't remember it off the top of my head. He severely over-grades, uses low-res photos to hide the defects and doesn't call out obvious defects like that big tear at the base of the spine.
He gets away with this because he sells a lot and protects his feedback. His listings generate high bid counts because he's so active and well-known. Most buyers don't complain because he attracts novice graders who find comfort and safety in large numbers (both in total sales volume and number of bidders).
I would wait until the book arrives. You will probably not be happy with the condition. The good news is I know people who have dealt with him and they have had no problem returning the book after complaining to him about the condition/grade. As I mentioned, he will do anything to protect his feedback. The way it usually works is he will offer to pay return shipping if you promise not to leave negative feedback. You can always open up a case as a last resort, but I don't think that will be necessary.
Just my