The Zatch Bell! manga (or Konjiki no Gash in Japan) by Makato Raiku was published by Shogakukan on January 2001 and spanned until December 2007 with 33 volumes along with a side story on March 9, 2011. The manga was internationally licensed by Viz but was cancelled and discontinued after 25 volumes on June 9, 2009. Scanlations of the original Japanese Konjiki no Gash manga with all 323 chapters can be found on websites such as sites such as MangaReader while it's 2011 side story "Friend" can be found on Unixmanga.