Complex sentence: She has also written two young adult books, "Hey Dollface!" and "Second Star to the Right", which was loosely based on her own battle with anorexia, a battle she did not win until after finishing writing it.
Split into simpler sentences: She has also written two young adult books, "Hey Dollface!" and "Second Star to the Right". Her book "Second Star to the Right" was loosely based on her own battle with anorexia, a battle she did not win until after finishing writing it.