The Hidden Variable (Paperback)

Paperback. Wren Calloway has her memory back and no idea how to use it.Seven years after the world broke, she and five survivors climb out of a sealed bunker into a ruined country ruled by walled cities that have forgotten everyone outside them. A clock on a black tower counts down forty-one days to a plan she helped design. The only thing that can stop it is locked inside her own mind.Hunted by the company she once served and sheltered by people who despise what she built, Wren must return to the dead city where it all began. The deeper she goes, the more the past rewrites the present.And someone in her circle is reporting every move she makes.The Hidden Variable is Book Two of the Paradox Project trilogy, a fast, claustrophobic sci-fi thriller about trust, betrayal, and the cost of the door you build. This item is printed on demand. Shipping may be from multiple locations in the US or from the UK, depending on stock availability.