The author known for the "Game of Thrones" series is George R.R. Martin. He is an American novelist and short story writer renowned for his epic fantasy series "A Song of Ice and Fire," which inspired the successful HBO television adaptation, "Game of Thrones." The series, notable for its intricate plots, multi-dimensional characters, and moral ambiguity, spans several volumes, starting with "A Game of Thrones," published in 1996. Martin's writing is characterized by its realism and unexpected plot twists, earning him a dedicated fanbase. He continues to work on the series, including the long-awaited next installment, "The Winds of Winter."