Used Condition: VG+ Hardcover Mr. Mercedes is a crime novel by American writer Stephen King. It is his 51st novel and the 44th published under his own name. He calls it his first hard-boiled detective book. It was published on June 3, 2014. On June 10, 2014 the author described Mr. Mercedes on Twitter as the first volume of a projected trilogy; it was followed in June 2015 by Finders Keepers, the first draft of which was finished around the time Mr. Mercedes was published, and in June 2016 by End of Watch. The novel won the 2015 Edgar Award for Best Novel from the Mystery Writers of America and Goodreads Choice Awards for 2014 in the “Mystery and Thriller” category.