Before midnight tonight, you can get your hands on the first 7 volumes of Jim Butcher's The Dresden Files for only 1.99$ each here!
Here's the blurb for the first book, Storm Front:
For Harry Dresden, Chicago's only professional wizard, 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.