One Direction came to the world's attention after coming second in the 2011 series of The X Factor. Since then, they have gone from strength to strength dominating the charts in the UK and USA and capturing the hearts of millions. In this double biography of two of the band's leading figures, you'll find out how they coped with Simon Cowell, the fame game, high profile romances and what lies in store for them as their careers continue to soar.