Rufus Williams Volgorde van de boeken (chronologisch)

Isolated Fatality Zones are fresh victim clusters in a pandemic, disconnected from previous infections. They proliferate at the onset of an outbreak until epidemiologists trace the disease back to its source; only this time there's no connecting them.How can Lucy Topp unmask an assailant she can't track down?Where should she even start when there are no symptoms to trace? Victims simply go to sleep fine and wake up dead, save for an eerie tight smile on their face.And yet I.F zones keep cropping up ...