[Machine Translation] The mystery of patterns revealed. Supervised by cat doctor Akihiro Yamane! Genetics of fur patterns, eye color, street cat watching, secrets of tortoiseshell cats, the five senses of cats, the roots and history of cats, and more. Nakamura Yasukazu guides you through the history of cats in Japan and the mystery of the genetic makeup of tortoiseshell cats. The book is compact enough to fit in a bag and perfect for cat watching!