The Demonologist - Andrew Pyper

Pyper, Andrew: - Andrew Pyper is the internationally bestselling author of ten previous novels, including The Demonologist , which won the International Thriller Writers award for Best Hardcover Novel, and The Killing Circle , which was selected a New York Times Best Crime Novel of the Year. He lives in Toronto. Visit AndrewPyper.com and follow him on Twitter @AndrewPyper.