A ninth book from Roc, White Night, was released on April 3, 2007, shortly after the paperback edition for Proven Guilty in February. White Night reached the top five of the New York Times Best Seller List on an initial printing of 100,000 copies. Small Favor, the tenth book in the series, was released April 1, 2008. It debuted at number two on the New York Times Best Seller List, Butcher's highest debut ever, and number three on the USA Today best seller list.
