In Noughts & Crosses, this society is turned on its head. It's a powerful,
wealthy, black ruling class who are discriminating against the whites. By
making this switch, Blackman makes it easier for white people to imagine
what it's like to experience racism, and for everyone to think about the
unfairness that prejudice creates.
To make the racism in the book completely convincing Malorie Blackman
includes several things in the book that have also happened in the real
world.