Dead Beat (The Dresden Files #7) by Jim Butcher: Book Review

Paranormal investigations are Harry Dresdens business and Chicago is his beat, as he tries to bring law and order to a world of wizards and monsters that exists alongside everyday life. And though most inhabitants of the Windy City dont believe in magic, the Special Investigations Department of the Chicago PD knows better.

Karrin Murphy is the head of S. I. and Harrys good friend. So when a killer vampire threatens to destroy Murphys reputation unless Harry does her bidding, he has no choice....