The answer to the crossword for the term 'Author of Fiction' is 'LIAR', which is a four-letter word. LIAR is the title of a novel by Japanese author, Hiro Arikawa, which was first published in Japan in 2012 and later translated into English in 2019. The novel follows the story of a young woman who is struggling to come to terms with her past and the lies she has told. It has been praised for its exploration of complex themes such as identity, family, and relationships.