The crossword solution for the term 'Queen of Fiction' is Ellery. Ellery is a pseudonym used by two American authors, Frederic Dannay and Manfred B. Lee, who wrote detective fiction under the name Ellery Queen. The duo wrote more than thirty novels and several short stories featuring the titular character, Ellery Queen, who was a brilliant amateur detective. Their works were popular in the 1930s and 1940s and have been adapted into films, television shows, and radio programs.