Japanese Book/Why Japanese Tea Is Good For Your Health?お茶はなぜ体によいのか

This book is from Japan and written in Japanese. “Why Green Tea (Japanese Tea)is good for your health?” Series from Popular Science. Author says in Japan everywhere you go you drink tea, at restaurants, at home and from bending machine on the street. He asks, “where is tea originated from? “ he explains in early chapters. And explains about history and do on…. All written in Japanese and if you are studying Japanese and studying about chemistry or something good read for you. I got this from Japanese Amazon. This book is signed by author.