Driving School (Elbow Grease)By: John Cena Illustrator: Dave Aikins Series: Step into Reading In this fresh take on "back to school," the little blue monster truck who never gives up learns the rules of the road! This is the latest installment in the fun filled Elbow Grease franchise from superstar entertainer and New York Times bestselling author John Cena. Elbow Grease and his monster truck brothers love to race but even the fastest racers have to slow down once in a while.