Masashi Otomo, who gained immense popularity for his numerous illustrations of kaiju (giant monsters)'s internal anatomy in a project featured in a boys' magazine. This book compiles many of Mr. Otomo's original illustrations of kaiju internal anatomy. While not all kaiju are included, it features numerous illustrations from Ultra Q to Ultraman Ace. Released in 1995. Published by Shogakukan. Price: 1950 yen (tax included). As it is a rather old first edition, there are stains, folds, and minor scratches on the cover, and some yellowing is visible. However, the contents are in relatively good condition.