Small Favor is the tenth book in The Dresden Files, Jim Butcher's continuing series about wizard detective Harry Blackstone Copperfield Dresden. The book stayed on the New York Times Best Seller list for 3 weeks following its release, attaining the number 2 spot during its first week. Small Favor is available as an eBook and an audio CD (ISBN 0-14-314339-5).

Jim Butcher is an American author. He has written the contemporary fantasy The Dresden Files, Codex Alera, and Cinder Spires book series.