Right now (from what I've seen and read) it is up to volume 28 and are still creating volume 29 as well.
There are a total of 19 volumes of the manga series "Vampire Knight" by Matsuri Hino.
There are a total of 74 volumes of the Bleach manga.
A total of 18 volumes of the manga Eiken have been released.
There are a total of 43 volumes in the Toriko manga series.
Elfen Lied has a total of 12 volumes, which are comprised of 107 chapters and were released between 2002 and 2005.
The manga series "Reborn!" has a total of 42 volumes.
There are 11 volumes of "Descendants of Darkness," also known as "Yami no Matsuei," in total.
There are a total of 10 books in the Kodocha series.
There are a total of 10 volumes of "Kitchen Princess" manga series.
Actually, the Dragonball manga includes Dragonball Z. The anime is called Dragonball Z to prevent confusion. There is a total of 42 volumes of the Dragonball manga, consisting of 519 chapters, which , altogether, are 9,000 pages.
the DNangel series is right now i believe is 13 mangas long and has NOT been completed, but number 14 as i know has not yet been published in japan though a argentine special chapter was just released
The W Juliet manga has 14 volumes in total, with its ongoing sequel series, W Juliet II, currently having 2 volumes.