There are 12 books in the Cirque Du Freak series, all of which describe Darren's adventures of being a vampire.
Universal Studios bough movie rights to Cirque Du Freak and made the first movie, Cirque Du Freak: The Vampire's Assistant, which was released October 23, 2009. The movie didn't do well in the box office so they didn't make a sequel.
(www.darrenshan.com/about)
(www.darrenshan.com/about)