Thunder's Big Purpose is a retelling of the story of Elijah and the cloud found in First Kings. It is from the cloud's point of view. Children will also learn about the different kinds of clouds that God has made. Thunder's Big Purpose is the first book in the Small Bible Character Series. The moral of the story is no matter how small you are or how different you might be God can and will use you if you let Him A portion of each book sold will go to battle human trafficking.