It depends on your interests. If you're a fan of the House of the Dragon series, either the TV show or the original concept, the graphic novel can be a great addition. It might offer new perspectives and interpretations that you haven't seen before. The art in it can also enhance the overall experience of the story.
Online platforms such as Amazon are a great place to look for the 'house of dragon graphic novel'. There are often different editions available, and you can compare prices and read reviews from other buyers to make sure you're getting a good deal.
House of the Dragon isn't based on any single novel. It emerges from the rich and complex lore of George R.R. Martin's fantasy realm. The show weaves its own tales while staying true to the essence and themes of the overall fictional universe.
It's highly unlikely that the characters in 'House of the Dragon' would actually watch fanfiction about themselves. Fanfiction exists in our world, created by fans for fans, and the characters in the show are fictional entities within their own fictional universe. They don't have access to the fan - created stories about them.
Yes, Dragon Masters can be classified as a graphic novel. It typically features illustrations and a story told through a combination of images and text.