'UnLondon is at wae. We're under attack. And it's been written, for centuries, that you will come and save us.'<br />Stumbling through a secret entrance, Zanna and Deeba enter the strange wonderland of UnLondon. Here all the lost and broken things of London end up, and some people too -- including Brokkenbroll, boss of the broken umbrellas, and Hemi the half-ghost boy.<br />But the two girls have arrived at a dangerous time. UnLondon is a place where words are alive, where a jungle lurks behind the door of an ordinaly house, where carnivorous giraffes stalk the streets... and a sinister cloud called Smog is bent on destruction. It is a frightened city in need of a hero