This item is in almost new condition, but there is some writing in volume 3 only. I would like to sell it to someone who understands this. A complete 5-volume set covering the basics to advanced topics of biology for high school students. - Series Name: Challenge! Biology Olympics - Volumes: Complete 5 volumes - Contents: From the basics to advanced topics of biology - Target Audience: High school students - Retail Price: 2970 yen (tax included) x 5 books Thank you for looking.