This is a Japanese-language illustration (art) book.
The annual artbook of "Di Gi Charat" creator Koge-Donbo, this 2006 edition of Chocola is all color and features full-page illustrations of characters from "Di Gi Charat," "Yoki-Koto-Kiku," "Kon-Kon Kokon," "Aquarian Age," "Gema-Gema," and other works. Softcover with dust jacket.