John Cena's New York Times bestselling Elbow Grease series is back-and the little monster truck who never gives up is now an iconic Little Golden Book about birthday fun!Elbow Grease--the little monster truck who never gives up--is ready for a birthday adventure! When Mel, the loving mechanic who built him, asks for his birthday wish, Elbow Grease doesn't know what to do. In this charming Little Golden Book, Elbow Grease learns to accept himself on his special day, and feels love from his entire monster truck family.