Author: Malorie Blackman
publisher name: Puffin
ISBN: 9780141378640
It looks like you've shared a passage from the book "Noughts & Crosses" by Malorie Blackman. Here's the provided text:
"Sephy and Callum have been friends since early childhood. And that's as far as it can go. Because theirs is a world full of prejudice, racism, distrust, and mounting terrorist violence. Despite all this, a romance builds between the two friends. But this is a love story that could lead both of them into terrible danger.