When Graham Greene and Catherine Walston began their illicit romance in January 1947, he was the acclaimed author of Brighton Rock with a troubled marriage, and she was the sexually libertine 30-year-old wife of a millionaire and future Labour life peer. What followed would inspire Greene's 1951 novel The End of the Affair. Revisiting the scenes of their adulterous passion, and drawing on love letters, diaries, personal interviews and correspondence, The Third Woman is the enthralling true story of one of the 20th century's most epic romances...