Looking for official Half Life 2 art

[Gordon's Beard]

There's a school project going and I'm going to need your help. The Google search may not have them, so all I want is some official artworks of Half-Life 2. No fan art whatsoever.

Hope you can aide me in gaining some good grades in school.

 

[pAiNtHeAsS]

http://half-life2.com/media.html

the concept art

 

[Asuka]

Get this book. http://www.gamestop.com/product.asp?product_id=871706

Its 400 pages a lot of unreleased art, screenshots etc etc