The top has some discoloration from lighting, but this is a first-read copy purchased new. Volumes 6, 14, and 16 have faded spines. There are 22 volumes in total. Volumes 1-9 were published in 2004. Volumes 10-21 are first editions. The 4-koma (comic strip) volume is a first edition from 2006. Purchased between 2004 and 2010. "Sgt. Frog," a popular shonen manga by Mine Yoshizaki, volumes 1-21. - Title: Sgt. Frog - Volumes: Complete set of 21 volumes - Author: Mine Yoshizaki - Language: Japanese - Genre: Shonen Manga Thank you for looking.