With humor and warmth, this children's picture book raises awareness about poverty and hunger. Best friends Sofia and Maddi live in the same neighborhood, go to the same school, and play in the same park, but while Sofia's fridge at home is full of nutritious food, the fridge at Maddi's house is empty. Sofia learns that Maddi's family doesn't have enough money to fill their fridge and promises Maddi she'll keep this discovery a secret. But because...