Negima! 23: Magister Negi Magi Paperback / softback Main Details Title Negima! 23: Magister Negi Magi Authors and Contributors      By (author) Ken Akamatsu Series Negima! Series part Volume No. 23 Physical Properties Format:Paperback / softback Pages:192 Dimensions(mm): Height 191,Width 126 Category/Genre Graphic novels: Manga ISBN/Barcode 9781612623030 Classifications Dewey:FIC Audience General Publishing Details Publisher Kodansha America, Inc Imprint Kodansha Comics Publication Date 2 October 2012 Publication Country United States Description "A Del Rey manga/Kodansha trade paperback original"--T.p. verso.