Claim: Game of Thrones (season 1) is based on an epic fantasy novel.
Evidence: The series is based on A Game of Thrones , the first novel in the A Song of Ice and Fire series by George R. R. Martin , adapted for television by David Benioff and D. B. Weiss.
A Song of Ice and Fire is a series of epic fantasy novels by the American novelist and screenwriter George R. R. Martin.