Storm Front

Storm Front is the first book in the Dresden Files series by Jim Butcher. It is a contemporary crime fantasy novel set in Chicago, where the protagonist Harry Dresden is a professional Wizard and private investigator.

Summary
Harry Dresden is the best at what he does - and not just because he's the only one who does it. So when the Chicago P.D. has a case that transcends mortal capabilities, they come to him for answers. Because the everyday world is not as 'everyday' as it seems. It's actually full of strange and supernatural things - and most of them don't play well with humans. That's where Harry comes in. Takes a wizard to catch a - well, whatever it is the police are having trouble with this time.

There's just one problem. Business, to put it mildly, stinks. So when the police bring him in to consult on a grisly double murder committed with black magic, Harry's seeing dollar signs. But where there's black magic, there's a black mage behind it. And now that mage knows Harry's name. And that's when things start to get... interesting.