"This ... book charts their remarkable lives from humble childhood beginnings to super stardom. It takes an in-depth look at their early lives, their relationships with their families, schooldays, first public performances, romances, the life-changing X-Factor, their relationship with each other, the fun and the frustration of working so closely together, their wild fans and world-wide acclaim with over five million Facebook fans and three million followers on Twitter. In this first full, no-holds-barred account of their lives, the book examines each of their backgrounds to discover how each one of these seemingly ordinary boys developed into such extraordinary international stars. "--Publisher description.