Meet the inventive kids who are coming up with ways to save the world in this fascinating, nonfiction Level 3 Ready-to-Read, part of a series of biographies about people "you should meet!" Have you ever wondered what you could do to change the world? Find out how kids are helping the environment, inventing incredible medical devices, aiding the homeless, designing apps so other kids won't ever have to eat alone in the cafeteria, and more! Learn all about what they've come up with and how their ideas are changing lives in this story of four amazing kids everyone should meet! A special section at the back of the book includes extras such as biographies of famous young inventors and contemporary activists plus interesting ideas for other ways that kids can change the world. With the You Should Meet series, learning about amazing people has never been so much fun!