One of the decade's most original and masterfully reported books, by Pulitzer Prize–winning journalist Matt Richtel interweaves the cutting-edge science of attention with the tensely plotted story of a mysterious car accident and its aftermath to answer some of the defining questions of our time: On the last day of summer, an ordinary Utah college student named Reggie Shaw fatally struck two rocket scientists while texting and driving along a majestic stretch of highway bordering the Rocky Mountains. follows Reggie from the moment of the tragedy, through the police investigation, the state's groundbreaking prosecution, and ultimately, Reggie's wrenching admission of responsibility. Richtel parallels Reggie's journey with leading-edge scientific findings on the impact technology has on our brains, showing how these devices play to our deepest social instincts. A propulsive read filled with surprising scientific detail, riveting narrative tension, and rare emotional depth, is a book that can change—and save—lives.