<p>'I used to love swimming. Won medals for it. But when your heart has been affected by an infection it's like having a ticking time bomb inside you... tick... tick... tick... tick...'</p> <p>Cameron is thirteen, and all he wants is to be normal - have friends, go to school, and dive to the bottom of his local swimming pool. But he desperately needs a heart transplant and time is running out.</p> <p>When he's finally offered a new heart, Cameron must choose between a pig's heart that works... or a human heart that doesn't. How far will he go to get his life back?</p> <p>Malorie Blackman's cel