The name Richard Castle is also used as a pseudonym under which a set of real books about the characters Derrick Storm and Nikki Heat, based on the books mentioned in the television series, are written. … The Castle book series was actually written/ ghost-written by screenwriter Tom Straw.
In all accounts, from the book jacket itself to the Amazon listing to the placement on the New York Times bestseller list, Richard Castle is listed as the author. But Castle is fictional.
Did Nathan Fillion write books?
Books by Nathan Fillion (Author of Devolution)
