Books like Dragon Keeper

In the time of the Han Dynasty in ancient China, the last remaining dragon is in danger of being killed by the cruel Emperor. A nameless orphan with no past and an uncertain future becomes his unlikely ally. The young orphan soon discovers that it is her destiny to protect the aging dragon and his mysterious purple stone. Chased by an evil dragon hunter and a powerful sorcerer, their adventure is not easy. Each must learn to help and understand the other if they are to survive. To succeed in her task, the young orphan must reach deep within herself to find courage she never knew existed. No longer can she be the timid, shy orphan she once was. She is now the one, true Dragon Keeper.