Exclusive story of the Parkland, Florida school shooting and the March for Our Lives campaign for gun control run by teen survivors, by the author of the definitive bestseller Columbine. Cullen, the author of the groundbreaking Columbine, brings his eloquence, expertise, combination of deep research and concision, and unbiased perspective to yet another mass school shooting, revealing its deepest layers and resonance . . . This moving, defining, and important account of an essential and vital youth movement dedicated to change and saving lives belongs in every public and school library.