 The third re-release of volume 1 was on December 7, 2005, and the re-release was concluded with volume 20, which was released on February 22, 2012.Volume 21 was published by Dark Horse on July 6, 2005, and volume 41 was released on April 25, 2012.Editor Carl Gustav Horn noted Dark Horse's accelerated printing schedule of "new volumes every four months"