Nox the Mechanic is back! In her world, Big Business is king and technology rules over us all. That's about to change. Forever. For somewhere deep in the Desertlands outside the Big City, an ancient evil rises from the ashes of the past consumed with one goal: The utter and complete destruction of all civilization. And it wants Nox to join in its cause. NOX is the exciting fourth book in the CORROSIVE KNIGHTS series. It follows MECHANIC, THE LAST FLIGHT OF THE ARGUS, and CHAMELEON.