Rollercoasters Noughts and Crosses by Malorie Blackman
Callum is a nought - a second-class citizen; Sephy is a Cross. In their world, Noughts and Crosses don't mix. Can Callum and Sephy find a way to be together? In what has already become a modern classic, award-winning author Malorie Blackman tackles the issues of prejudice and racism in a way that will thoroughly engage and inspire students.