An artbook bearing the full title of "The Works of Ken Sugimori: A 25 Year Portfolio Going from Quinty to Jerry Boy and Pocket Monsters" (杉森建の仕事 『クインティ』から『ジェリーボーイ』『ポケットモンスター』 25年間の作品集) has been announced.
For the first time, the works of Game Freak graphics designer Ken Sugimori, primarily known as the official illustrator and co-creator of the Pokémon franchise, will be collected in a dedicated artbook. The book will contain a large selection of illustrations, concept art and other material from Sugimori's 25 year long career, including parts of his work on the comic "Quinty", and will also come with a 32 page long interview with the artist.
The book will be in softcover format, will be 360 pages long, and will be released May 27, 2014 for the price of 1,998 yen.
Source:
http://www.amazon.co.jp/exec/obidos/ASIN/4198638063/