Mary Wrightly is the best-behaved little girl around. She always politely says please and thank you and even "I'm sorry" when something isn't her fault. But when a shopper comes between Mary and the blue elephant toy she wants to buy for her beloved baby brother, will Mary just let the woman walk away with it? Speak up, Mary Monescillo's charming illustrations capture the spirit of this gentle look at how asserting oneself is not rude, and even occasionally...