Malorie Blackman 
Knife Edge 

‚Devastatingly powerful‘ Guardian No one could begin to guess at the depth of the hatred I held for Sephy Hadley. Everything began with her and my brother. And that s how it would end.Where there has been love, now there is hate. Two families have been shattered by the divided and violent society they live in. Sephy Hadley a Cross, supposedly powerful and privileged has bound herself forever to her nought lover Callum Mc Gregor s family.But Jude Mc Gregor blames Sephy for all the tragedies his family has suffered. And he is determined to force her to take sides, and destroy her life . . . just like she destroyed his. . . Voted as one of the UK’s best-loved books, Malorie Blackman’s Noughts & Crosses series is a seminal piece of YA fiction; a true modern classic.’Moving and thought-provoking‘ Observer