Game of Thrones' George R.R. Martin's new fantasy movie, In The Lost Lands, based on his short story, has finally been released in theaters, and it seems as though the legendary writer would like to continue its story with a sequel. Over the years, Martin's works have been adapted into television shows and video games while acquiring millions of fans worldwide. Some of his most popular shows have been Game of Thrones and House of the Dragon, and his latest upcoming series, A Knight of the Seven Kingdoms, looks to adapt his epic fantasy world yet again.