Leisure Books is an imprint of Dorchester Publishing specializing in horror and thriller mass market paperbacks. As of 2000, Leisure Books was the only U.S. publisher with a line of horror books.  Leisure Books has published novels and collections by a number of horror's notable authors, such as: Richard Laymon, Graham Masterton, Ray Garton, Stacy Dittrich, Jack Ketchum, and Douglas Clegg. Leisure horror titles have won numerous awards, including the Bram Stoker Award, the International Horror Guild Award, and the World Fantasy Award.
Effective September 2010, Leisure Books, along with the remainder of Dorchester's mass market paperback lines, were canceled as print publications. Future titles were slated to be available only as e-books.