Checkmate

Sixteen years after Sephy Hadley and Callum McGregor first met, their daughter Callie Rose is growing up caught between two worlds, an outsider in a society still divided along Nought and Cross lines. When her uncle Jude McGregor re-enters her life offering answers about the family history kept from her, Callie is drawn into a plan that puts everyone she loves in danger. The third novel in Malorie Blackman's Noughts & Crosses sequence.