Penguin Readers 130x200 64 страниц. 2011 год. Penguin Books Ltd. Sephy Hadley and Callum McGregor are two young people in love. But Sephy is a Cross, daughter of a government minister, and Callum is a Nought. In their world, Crosses and Noughts cannot be friends. Must they become enemies? Or is there hope for them - and for their unhappy country?