Arithmetic Mouse, A. Mouse for short, tells the story of how his ancestor, Marvella Mouse, helps humans learn how to count and discovers the powers bestowed to Metamorphic Mice. This first book in the series introduces Metamorphic Mice. Metamorphic Mice use their powers to help us humans learn how math works. Read about how three twitches of a whisker, two swishes of a tail, and a blink of an eye, begin the transformation process and cause different thinking. Metamorphic Mice were created as a whimsical way to illuminate the marvels of math to make positive changes in the way humans think about mathematics.