After much anticipation, House of the Dragon season 3 has begun, kicking off the show's return with a bang. The opening episode finally brings the Battle of Gullet to the screen and it's every bit as bloody and brutal as we'd expected.
However, as has been the case with so much of the Game of Thrones prequel so far, there have been several changes from its source material, George R. R. Martin's 'Fire and Blood'. The book is a historical account of the key period of Westerosi history and is told as if collated from a series of varying reports.
