Mighty Maddie - MathStart 1 Author:Stuart J. Murphy, Bernice Lum (Illustrator) Maddie's room is a mess. — Maddie's toys are everywhere. — And Maddie has to clean them up before her birthday party starts. — This looks like a job for ... MIGHTY MADDIE! — Faster than a speeding bullet, more powerful than a vacuum cleaner, Mighty Maddie, the room-cleaning superhero, gives readers a playful lesson about the difference betwe... more »en light and heavy.« less