Did you know that popular actor and WWE Superstar John Cena was also an author? It’s true! In “Elbow Grease”, we meet a monster truck and his exciting, big wheelin’ family, as they prepare for the big demolition derby! Will Elbow Grease realize his dreams and win the day? Watch John Cena himself read the story, and then scroll down to find some fun activities to keep the monster truck excitement going!