Digital Manga Publishing is releasing a manga version of the Vampire Hunter D novels. This manga was announced at Anime Expo 2006. According to the article at ICV2, author Hideyuki Kikuchi chose artist Saiko Takaki to illustrate this manga adaptation of his Vampire Hunter D novels. In November 2007 the first volume was released in English, Finnish, German, Hungarian, Japanese, and Spanish. English-language volumes are softcover and black and white (though each includes a color plate). Each volume is about 250 pages.
Digital Manga plans to publish only 8 volumes of this translation.
Hideyuki Kikuchi's Vampire Hunter D #1
Release Date: June 8, 2008
Hideyuki Kikuchi's Vampire Hunter D #2
Release Date: June 24, 2008
Hideyuki Kikuchi's Vampire Hunter D #3
Release Date: May 20, 2009
Hideyuki Kikuchi's Vampire Hunter D #4
Release Date: November 18, 2009
Hideyuki Kikuchi's Vampire Hunter D #5
Release Date: October 20, 2010
Hideyuki Kikuchi's Vampire Hunter D #6
Release Date: December 28, 2011
Hideyuki Kikuchi's Vampire Hunter D #7
Release Date: July 25, 2013
More samples of the artist's work are available at her website. (This URL comes with a big tip of the hat to Erin C.'s fearsome Google-fu!) Click on Enter. It's all in Japanese, but you can see images of D by clicking on D+, then "Illustration" or "Annex."
Artist Saiko Takaki shared some background on the making of the first manga at the December 2007 Talk Live.