Andrew Neiderman

Andrew Neiderman (born 1940) is an American novelist. He became a "ghostwriter" for V. C. Andrews after she died. Her estate hired him to complete the "Casteel" series of books and continue her unfinished stories.
Andrew Neiderman is also the author of "The Devil's Advocate," which was made into a movie, and wrote the libretto for a live musical adaptation of "The Devil's Advocate". He is currently (as of 2011) developing a new script with revised music and lyrics.
He is the screenwriter of the movie based on the "Rain" series published as V. C. Andrews' novels. Six of Neiderman's own novels have been adapted into movies also.
As of January 2011, Andrew Neiderman has written 100 published novels, between the V. C. Andrews books and the books published with his name.