Teto Yubi (Hands and Fingers) Written and illustrated by Seiichi Horiuchi Kagaku no Tomo (Science Friend) Fukuinkan Shoten This is a science picture book published by Fukuinkan Shoten, written and illustrated by Seiichi Horiuchi. It explains the functions and movements of hands and fingers with clear and fun illustrations. The cover has some sun damage. Please understand that this is a used item before purchasing. If you have any questions, please feel free to comment!