There are currently 5 but there will be six on July 19 2011 and seven on october 25 2011 and eight on January 24 2012
At present Black Butler/Kuroshitsuji has 67 chapters released, and 13 manga books.
As of 2010-03-23 there are 15 volumes in English of XXXholic .
24 Episodes in season 1. 12 Episodes in season 2. ^^
Season 2 along with many of the OVAs will be released on DVD in the United States, with Subtitled and Dubbed versions on April 3rd, 2012.
There are 12 volumes total
There are 16 volumes. there is now 26 volume.
As of now (December 2015), there are 3 seasons of Black Butler.
So far there are 28 chapter and more coming ( i think).
There are 14 volumes in the series Crimson Hero in English by Mitsuba Takanashi .
As of 2010-03-23 there are 15 volumes in English of XXXholic .
As of October 2021, there are currently 15 volumes of the manga series "Yotsuba&!" published in English.
20 volumes
12 episoodes
There are 27 volumes of the Fullmetal Alchemist manga series.
58 are published in Japan. English VIZ is still publishing!
24 Episodes in season 1. 12 Episodes in season 2. ^^
There are 14 volumes in Japanese and TokyoPop has licensed 12 of those volumes in English. It's still an ongoing manga. It went on hiatus from August 2005 to April 2008.
A lot! Black Butler has a very large fan-base, and in 2010 the Manga even made New York Times best seller list.