This is a complete set of 19 volumes: the Kadokawa Manga Learning Series: History of Japan, consisting of all 15 volumes plus 4 supplementary volumes. Supplementary volumes: Historical Illustrated Encyclopedia: Understanding Modern History 1-3 There are some instances of folding, scuffing, and minor scratches. Also, volume 12 is missing its cover. While there is some wear and tear, it should be readable without issue. - Series Name: History of Japan - Volumes: All 15 volumes and 4 supplementary volumes - Publisher: KADOKAWA Corporation