Noughts and Crosses Trilogy - Set of 3 Books by Malorie Blackman (Titles Include: Noughts and Crosses, Knife Edge, Checkmate): Amazon.co.uk: Malorie Blackman: Books
Knife Edge: Noughts & Crosses, Book 2 (Audio Download): Malorie Blackman, Nina Sosanya, John Hasler, Joan Walker, Random House AudioBooks: Amazon.co.uk: Books