When Ingrid E. Newkirk almost singlehandedly set into motion the largest animal-rights organization in the world, she knew that one person can make a difference. In her new book, Newkirk has collected the wisdom, stories, and insight of more than 50 activists and world-changers who have proven that one person can create a movement. Through fascinating stories and advice, this book offers a roadmap for those of us seeking to better the world, and also provides a boost of inspiration for seasoned activists and other quiet agents of change.