Robin Furth is the personal research assistant to Stephen King and the author of Stephen King's The Dark Tower: A Complete Concordance, which was published by Scribner on December 5, 2006. It is a compilation of her two previous encyclopedic books dealing with King's magnum opus, The Dark Tower: A Concordance, volume I - which explores the first four books in King's series - and A Concordance II, which gives the reader definitions and explanations of pivotal terms used over the course of the final three books of The Dark Tower. She is now currently working on the graphic novel adaptation of the Dark Tower for Marvel Comics.