For the youngest activists among us, a book geared just for them full of facts, stories, and tips on how to change the world, from #1 New York Times bestselling author Chelsea Clinton.What can I do to help save endangered animals? How can I eat healthy? Why do I need to cover my mouth when I cough? What do I do if I'm being bullied?With information on problems both large and small, Chelsea Clinton breaks down the concepts of health, hunger, climate change, endangered species