
Darren O'Shaughnessy is an Irish writer and novelist. He is best known for his young adult fiction series The Saga of Darren Shan, The Demonata, and Zom-B, published under the pseudonym Darren Shan. The former was adapted into a manga series from 2006 to 2009 as well as a live-action film in 2009, with a prequel series, The Saga of Larten Crepsley, being released from 2010 to 2012.
Excerpt from Wikipedia, available under CC BY-SA 4.0.

Cirque Du Freak
2007
ISBN 9780316025997
The vampire's assistant
2001
ISBN 9780316606103
Vampire Mountain
2004
ISBN 9780316905749
Allies of the night
2004
ISBN 9780316155700
The vampire prince
2002
ISBN 9780007115167
Lord of the shadows
2006
ISBN 9780316156288
The saga of Darren Shan
2009
ISBN 9780007320882
Sons of destiny
2006
ISBN 9780316156295
Killers of the Dawn
2008
ISBN 9781554680054
Vampire's assistant
2000
ISBN 9780007435289
黎明殺手
2004
ISBN 9789573320685
CIRCO DOS HORRORES
2001
ISBN 9788532512260
怪奇馬戲團
2002
ISBN 9789573318804
暗夜盟友
2004
ISBN 9789573320357
Cirque Du Freak Boxed Set #2
2006
ISBN 9780316016841
Cirque Du Freak The Saga of Darren Shan Book One
2008
ISBN 9781554683772
Cirque Du Freak The Saga of Darren Shan. Book 1
2009
ISBN 9780007938933
Cirque Du Freak 7
2011
ISBN 9781448756094
Sons of Destiny (Cirque Du Freak
2014
ISBN 9781482969801
Cirque Du Freak #1
2002
ISBN 9780316605106
Cirque Du Freak #6
2004
ISBN 9780316602747
Tunnels of Blood
2006
ISBN 9780007244843
Cirque Du Freak #12
2007
ISBN 9780316016636
Darren Shan
2012
ISBN 9780316233576