Bridgerton was a bestselling book series by Julia Quinn.With a global fanbase and catchy couple names for its leading characters – looking at you, KATHONY – the books were beloved before they were adapted for the screen by Shonda Rhimes.WATCH: The first teaser for Bridgerton Season 2The TV show is set to follow in the footsteps of the eight-book series. Meaning, each new season of Bridgerton will follow one of the eight Bridgerton siblings.