Stone of Tymora is a series of fantasy novels for teens, written by the SciFi and fantasy author, R.A. Salvatore and his son, Geno Salvatore. The series is R.A. Salvatore's first collaboration with his son, and has Salvatore's Dark Elf character, Drizzt Do'Urden. The story follows Maimun as he searches for the Stone of Tymora that was stolen from him and the demon that is hunting him.