This is a Japanese-language illustration (art) book.
This book on the popular anime series includes introductions to the TV episodes and the OVA, loads of color illustrations, interviews with the anime staff, a manga specially produced for the 2007 Winter Comic Market, and a nifty cover overlay that you can remove to reveal Rin in a special costume! A must-have for fans of the series! Softcover; all text is in Japanese.