It's about the adventures of Moonwatcher in the Wings of Fire world. It likely shows her growth, challenges she faces, and her relationships with other characters.
The main character is Moonwatcher for sure. Besides her, there could be her friends or mentors in the Wings of Fire world. Maybe some other important dragons from her tribe or from tribes she has to deal with during her adventures.
Sure is! Wings of Fire consists of multiple books that tell an engaging story. It has captured the hearts of many with its imaginative plot and characters.