This is a children's experiment book about fish, featuring actual observations and experiments. - Title: Fish Laboratory - Author: Yasuo Suehiro - Publisher: Shogakukan - Series: Shogakukan Series Thank you for looking. As shown in the photos, there are some writings on the back cover and the final pages of the book. In addition, as this is an old book, there are scratches and stains due to aging, as shown in the photos. Please understand that this is an old item.