George R.R. Martin Says He’s Heavily Involved in All Game of Thrones Spinoffs

George R.R. Martin has provided news that’s bound to reassure fans who’ve been worrying about the extent of his involvement in the several Game of Thrones prequels and spinoffs currently in development. Martin, who’s best known for writing A Song of Ice and Fire novel series, was creatively involved in its television adaptation, Game of Thrones, for the first four seasons.