A Closed Book (released as Blind Revenge in the United States) is a 2010 British film directed by Chilean filmmaker Raúl Ruiz, based on the 2000 novel of the same name by Gilbert Adair, about a blind author who employs an assistant to help him write his novels. Throughout the film the assistant starts to play crueler and crueler tricks on her employer. The film stars Daryl Hannah as assistant Jane Ryder, and Tom Conti as author Sir Paul. A Closed Book was filmed at Knebworth House in the UK.