The Saga of Darren Shan (known as Cirque Du Freak: The Saga of Darren Shan in the United States) is a young adult 12-part book series written by Darren O'Shaughnessy about the struggle of Darren Shan, a boy who has become involved in the world of vampires. As of October 2008, the book has been published in 33 countries around the world, in 30 different languages. A film based on the first three books in the series was released in theatres on 23 October 2009. Blackstone Audio has also released CD recordings of all 12 books in the series, read by Ralph Lïster. Between 2011 and 2012, a four part prequel series titled The Saga Of Larten Crepsley depicts the life of Larten Crepsley from his tale of becoming a vampire, up until to where the events of Cirque Du Freak begin. Source: Wikipedia (en)