Gravity Daze (Rush) 1 + 2 artbook
Stella Deus artbook
Capcom Visual Works 2004-2014
Ryu ga Gotoku (Yakuza) anniversary book
Persona 3 & 4 fanbooks (couldn't find the visual works)
Odin Sphere Leifdrasir (I wish Vanillaware or Kitakami would have more artbooks)
Grasshooper Manufacture artbook
I bet that Odin Sphere one is excellent. I wonder what's covered in the Grasshopper one though?