Sure, there is. The real author of the Richard Castle novels is Tom Straw. He's the one who brings those fictional books in the Castle show to life, writing in a way that fits the character of Richard Castle that we see on screen.
Well, it could be a number of authors. But as far as I know, there's no single well-known person attributed to all the Richard Castle novels. Maybe you can search on popular book review websites for more info.
To be honest, the true author of the Richard Castle novels remains a mystery. There's no clear public information available to identify the exact person behind them.
The Richard Castle novels are written by a group of ghostwriters under the pseudonym Richard Castle. It's a fictional creation for the TV show 'Castle'.
The identity of the ghost writer for Richard Castle novels was never fully revealed in the show. It added an element of mystery to the whole concept of Castle's novels.
They often have engaging storylines. The characters are well - developed, and the art style is usually quite appealing, which together make for an exciting reading experience.