Noughts and Crosses

This is a book about two people called Callum and Sephy. Callum is a nought, white and ruled by the powerful crosses. Sephy is a cross , she is black and her father is one of the most powerful men in the country. Callum and Sephy are about 3 years apart but have been best friends since they were young and they think that's the way it'll always be. But one day when the two of them have to go to school and they're not allowed to be friends,things start to change.Sephy is confused and Callum is full of secrets.....
I would give this book a 8/10
DH