Frighteningly contemporary, utterly compelling, Tick Tock is the stunning new thriller from the Sunday Times bestselling author of Knife EdgeIt starts quietly enough. A tick tick ticking you can hear in your ear. Tinnitus, you think. It will pass. But it doesn't. It gets worse - and then you pass it on.Before you know it, it spreads. Elsewhere across the globe, it emerges, small outbreaks at first, contained groups of people, young and old, and suddenly it's a plague - and ten days later it's killing people. The hospitals are overflowing and there is no cure. There is a paranoid panic which sets friend against friend, neighbour against neighbour. Where does the world go from here?In the north London school where it is first discovered, head of English, Kit Chaplin is struggling to understand what he is witnessing. Even eminent bacteriologist and his partner Lilly Slater can't help him. But as the virus rips through the school and into the outside world, the world starts to take notice. Kit is more concerned about his students - and his young daughter, Rose - but little by little he gets sucked into where this mystery illness might have come from. And how it's going to threaten his world.Tick Tock is the compelling new novel from master storyteller and legendary DJ, Simon Mayo. It tells the story of a different kind of pandemic through the eyes of three people at the heart of the storm. Utterly exciting, urgently contemporary, piercingly insightful, it more than confirms the promise of his bestselling and acclaimed first thriller, Knife Edge.