Question: Which author, Len Deighton or Penelope Fitzgerald, won the Booker Prize?
Context: Len Deighton's London Dossier is a guide book to London, edited by British author Len Deighton and published in 1967.  It consists of a ""collection of personal guides to the hidden gems and sites of London by a range of writers and raconteurs, many of them Len Deighton’s friends.""  Deighton himself contributes two of the 14 essays. Len Deighton's Action Cook Book is a 1965 collection of cookery strips (known as a cookstrip, an invention on Len Deighton's from his days as a student at the Royal College of Art) originally published in the "Observer" newspaper, with additional information and notes.  Aimed at ""an audience of men unskilled at knowing their way around the kitchen"", the book has been described as a cult classic from the period and helped pave the transition from cooking being only for women, into bring a sophisticated expectation of a modern man. Bullet to Beijing is a 1995 made-for-television film that continues the adventures of the fictional spy Harry Palmer, who appeared in the 1960s films "The Ipcress File", "Funeral in Berlin" and "Billion Dollar Brain", based on books by author Len Deighton.  Though an alternate title is "Len Deighton's Bullet to Beijing", Deighton was not associated with the film at all. The Bookshop (1978) is a novel by Penelope Fitzgerald.  The book was shortlisted for the Booker Prize. Leonard Cyril Deighton ( ; born 18 February 1929), known as Len Deighton, is a British author.  Deighton is considered one of the top three spy novelists of his time (along with Ian Fleming and John le Carré).  In addition he is a highly acclaimed military historian, cookery writer, and graphic artist. " The IPCRESS File" (1962), his first novel, was an instant bestseller and broke the mould of thriller writing. " The Sunday Times" called him "the poet of the spy story".  Deighton’s first protagonist – a nameless spy christened Harry Palmer in the films – was made famous worldwide in 1960s films starring Michael Caine. Fighter: The True Story of the Battle of Britain (ISBN  ) is a Second World War military history book by English author Len Deighton.  First published in 1977, "Fighter" was Deighton's first history book, he having made his name as a writer of spy fiction.  Deighton was encouraged to write the book by his friend, the British historian A.J.P. Taylor, who wrote the introduction to "Fighter". Penelope Fitzgerald (17 December 1916 – 28 April 2000) was an English Booker Prize-winning novelist, poet, essayist and biographer.  In 2008, "The Times" included her in a list of "the 50 greatest British writers since 1945".  In 2012, "The Observer" named her final novel, "The Blue Flower" one of "the ten best historical novels". Harry Palmer is the protagonist of a number of films based on the unnamed main character from the spy novels written by Len Deighton.  Michael Caine played Harry Palmer in three of the four films based on the four published novels featuring this character.  Caine also starred as this character in two other films not directly based on Deighton's novels. Offshore (1979) is a novel by Penelope Fitzgerald.  It won the Booker Prize for that year.  It recalls her time spent on boats on the Thames in Battersea.  The novel explores the liminality of people who do not belong to the land or the sea, but are somewhere in between.  The epigraph, "che mena il vento, e che batte la pioggia, e che s'incontran con si aspre lingue" ("whom the wind drives, or whom the rain beats, or those who clash with such bitter tongues") comes from Canto XI of Dante's "Inferno". The Gate of Angels is a novel by British author Penelope Fitzgerald.  It is a historical novel set in 1912 at a fictional Cambridge college, St Angelicus.  It was shortlisted for the Man Booker prize.
Answer: Penelope Fitzgerald