Shadow Caster

Bobby hasn't seen his grandmother, Mae, for a while. When she shows up he isn't sure if it's really her, since she arrives while he's dreaming. She returns each time he dreams and then tells him what's going on, he is a Shadow Caster. Strange things continue to happen when he dreams and even stranger things when he's awake. Then his shadow begins to do things, not things that are under his control, at least not at first. He has to figure out how to use mystical abilities to save Mae, becaus...