George R. R. Martin writes novels.
Game of Thrones (season 5) . The season primarily adapts material from A Feast for Crows and A Dance with Dragons , the fourth and fifth novels in George R. R. Martin 's A Song of Ice and Fire series , though it also uses elements from the third novel , A Storm of Swords , as well as the upcoming sixth novel The Winds of Winter . George R. R. Martin . George Raymond Richard Martin ( born George Raymond Martin ; September 20 , 1948 ) , often referred to as GRRM , is an American novelist and short-story writer in the fantasy , horror , and science fiction genres , screenwriter , and television producer . He is best known for his international bestselling series of epic fantasy novels , A Song of Ice and Fire , which was later adapted into the HBO dramatic series Game of Thrones .