The Arland Atelier series has spread over three game series on the Playstation 3, Atelier Rorona and Totori which has been released both in Japanese and English, as well as Atelier Meruru which has only been released in Japan as of now. GUST is releasing a 256-page artbook which covers everything from art used on magazine covers, concept art, in-game CG art and so forth. You will be able to pick up this artbook from the 1st November 2011 on a website such as Play-asia.
Below are some sample low-res pages from the book:
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