The Secret Runners of New York by Matthew Reilly

When Skye Rogers and her twin brother Red move to Manhattan, rumours of a coming global apocalypse are building. But this does not stop the young elite of New York from partying without a care. And then suddenly Skye is invited to join an exclusive gang known as the Secret Runners of New York. But this is no ordinary clique – they have access to an underground portal that can transport them into the future. And what Skye discovers in the future is horrifying: the rumours about the coming apocalypse are true. As society crumbles and Skye and Red race to figure out how… Read more.