Two major bestselling and award-winning picture book creators combine forces in this truly epic time-traveling follow up to Oh No! (Or How My Science Project Destroyed the World)! Some kids are too smart for their own good...and maybe for everybody else's good. The overly ambitious little girl from Oh No! is back for more. But this time, she doesn't have a humongous problem, she has an EPIC crisis on her hands: a mere A...