The release date for the English version of 'Small Favor' by
Jim Butcher is Apr 2008. If you enjoy this novel, it is available for buy as a paperback from Barnes & Noble or Indigo, as an ebook on the Amazon Kindle store, or as an audiobook on Audible.
THE Bestseller in the New York Times
Just as Harry Dresden's life seemed to be finally settling down, a ghost from the past reappears. Mab, the ruler of the Sidhe Winter Court, asks Harry to do a tiny favor for her. This favor will put Harry in the between of a lethal ally and a terrifying opponent, testing the boundaries of both his loyalty and his skill set.