nancy lublin, the head of dosomething.org, and author of this book says you can.you're not in high school yet. >> you can be young and do great stuff. in fact, some of the most creative things we've seen have come from younger people. because no one has told them they can't do it yet. >> reporter: the book highlights middle schoolers who saw a need and did something. from collecting puzzles for the elderly to knitting scarves for disaster victims. the book also features young celebrities who are making a positive difference. but first and foremost, do something is an action plan. it's designed to help kids identify causes they care about. >> every cause you could think of is in here. animals, the environment, homelessness. peace. everything is in here. and it's possible to have an effect on these issues quickly. you don't have to have money, a car, or an adult to do something good. >> reporter: what you do need is some help getting going. and that's what do something is all about. with step by step instructions on putting a good deed in motion. >> tweens have been