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The extraordinary conclusion to the This Mortal Coil trilogy - who will survive the oncoming storm?
Two factions at war
A plague that can't be stopped
A cure that could destroy them all...
Cat's hacking skills weren't enough to keep her from losing everything - her identity, her past and now her freedom. She's trapped and alone.
Meanwhile, Jun Bei is close to realising her dream - the solution to humanity's in gene form. Or so she thinks. But now a new threat has emerged - a threat that could bring the world to the brink of a devastating war.
Both sides will stop at nothing to seize control of humanity's future, and at the centre of this war is Cat, Jun Bei and a race against the clock save millions of lives.
And this time, Cat can't afford to let anything, or anyone, stand in her way.
The gripping finale to a series The Verge has called "perfect YA sci-fi".