Through their own voices and spirited calls to action, 75 of the world's most dynamic young activists share their extraordinary stories in this generation-defining collection for students, parents, teachers, volunteers, and community service leaders. Tapping into today's global youth movement where social entrepreneurship and activism merge at the intersection of business, pop culture, and nonprofit work, these stories showcase young men and women—some of whom started their efforts as early as three years of age—bringing savvy compassion and unstoppable courage to and from locations all over the world, including Africa, Pakistan, India, Peru, Colombia, Afghanistan, and the United States. Whether building freshwater wells in developing nations, fighting discrimination, saving animals, or honoring heroic soldiers, these are the young people on the frontlines, from mountain peaks to rainforests to school gardens and classrooms, changing the world for the better.