<p>Sephy and Callum were never supposed to be together in their worlds of violence, fear, hatred and separation. For Sephy is a Cross, and Callum is a nought - and noughts and Crosses must never fall in love. It's as simple as black and white . . .</p> <p>But they have defied the rules. A passionate love is growing, and a powerful rebellion is beginning to stir. For generations to come, nothing will ever be the same again.</p> <p>Groundbreaking and explosive, Malorie Blackman's original dystopian masterpieces are collected together here for the first time.</p>