Marlowe is purportedly the ghostwriter (or co-writer) of Heat Wave, a mystery novel published September 28, 2009, attributed to the fictional Richard Castle—the title character of the Castle TV series; the novel itself is a plot element in the show. The author acknowledges Marlowe's wife Terri E. Miller as "my partner in crime". The book debuted at number 26 on The New York Times Best Seller list.
