This is a 15-volume "Naze Naze Tutor" series, a learning book for children. It's quite old, so there may be stains and discoloration, but the contents are fine for reading. Please refrain from purchasing if you are concerned about the condition. We are not considering selling individual volumes. ※ Not for individual sale. These will be placed in a plastic bag and shipped in a cardboard box. - Series Name: Naze Naze Tutor - Number of Volumes: Complete 15 volumes - Publisher: Youikusha - Target Age: Elementary school students Thank you for looking.