Besides the novels of The Dresden Files, author Jim Butcher has written several shorter works appearing in the same universe. Most are told from the point of view of Harry Dresden, as are the novels, but some take the point of view of other characters.

Changes is the 12th book in The Dresden Files, Jim Butcher's continuing series about wizard detective Harry Blackstone Copperfield Dresden. Changes was released on April 6, 2010, and debuted at #1 on The New York Times Best Seller list for Hardcover Fiction, dropping to #3 in its second week on the list.