Fantasy author George R.R. Martin is the cocreator of HBO's "House of the Dragon" TV series, a new "Game of Thrones" prequel show based on a book called "Fire and Blood." Martin's " Fire and Blood " is a fictional historical account of House Targaryen, the family whose rule in Westeros began after Aegon the Conqueror and his family of dragon Of course, Thrones has impressive source material: George R. R. Martin has spent the last couple of decades meticulously exploring the various cities, towns, villages, and various geographical Timeline for 'Game of Thrones' Prequel. Aug 24, 2022 at 8:21 AM EDT. By Roxy Simons. TV & Film Reporter (SEO) House of the Dragon returns viewers to the world of George R. R. Martin's Seven .

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