Two of those titles, A Head Full Of Ghosts and The Cabin At The End Of The World, actually stand a chance at one day becoming movies. A Head Full Of Ghosts, a disturbing story about a family involved in a possession reality show, was optioned by Focus Features in 2015, and Team Downey and Allegiance Theater have been involved in its development. The Cabin At The End Of The World, which follows a family who is tasked with a horrifying decision, had its rights acquired by FilmNation ahead of its actual release. Both could be horror classics should either ever actually get made!
Article source: https://www.cinemablend.com/news/2484860/6-authors-whose-books-should-start-getting-movies