hiii! I read a lot, and there are a lot of good books out there, but this one has been my favourite for years. It's called Wings of Fire.
Let me tell you a bit about it. In the world of the book, dragons are the prominent lifeforms. They are depicted as intelligent, with kingdoms, armies, jewellery, and the sort. It is first assumed that humans do not exist in the world. The first 6 books follow 1 profecy, and the rest follow another, with its own set of characters-- the world is the same tho. It's a really great book.
Also, a random quote by me: Judging books by their cover isn't always bad. JUST LOOK AT HOW GOOD THE ART IS!!!