After his adventure to dinosaur time, Spenser can't wait to try the wishing stone again. This time, he chooses a book in medieval time, but he doesn't realize his brother, Jackson, and his sister, Kayleigh, tag along with him.When the children arrive, they find a dragon upsetting the villagers, but the dragon is just looking for some help. Will the children be able to help her? Find out in this exciting sequel to The Wishing Stone: Dangerous Dinosaur.