Off Season was based on the legend that inspired the film written and directed by whom?
Off Season (novel):  It was Ketchum's first novel and was partially based upon the legend of Sawney Bean, which also inspired Wes Craven's 1977 cult classic horror film "The Hills Have Eyes". The Hills Have Eyes (1977 film): The Hills Have Eyes is a 1977 American exploitation-horror film written, directed, and edited by Wes Craven and starring Susan Lanier, Michael Berryman and Dee Wallace.
Wes Craven