A lot of good e-books depended on one's personal preferences. If you like fantasy novels, you can try reading the Song of Ice and Fire series. It's a famous novel series about the wars and political struggles between the seven kingdoms. If you like science fiction, you can read the " Three-Body " series. This is an award-winning novel about the communication and conflict between humans and alien civilizations. If you like historical novels, you can read the " Those Things in the Ming Dynasty " series. This is a famous historical novel that tells about the politics, military, and culture of the Ming Dynasty.