Ill try and dig up a link also. The give great insight to the making of Half life 2. Its really cool. http://store.valvesoftware.com/productshowcase/productshowcase_HL2Guide.html
Originally they did not sell for much. I purchased two of them for 25.00 each. They have increased in price because they were limited editions and they do not sell or make them anymore.
Im sure they sold thousands of them. But only a select number of them were actually signed by Gabe Newell...
Hi guys,
I have two pristine, autographed copies of Half Life 2 Raising the Bar books and I would like to hear from you all about how much you think each one is worth. The books have no dirt, creases, bent corners or pages. It’s just how I received it from valve. They have been opened...