The shattering final instalment of Philip Reeve's Predator Cities quartet flings you back into his blasted world of predator cities, ruinous wars and terrifying Stalkers. Abandoned by Hester, Tom and Wren stumble across the wreckage of a vast traction city: London. As the Green Storm take arms and the truce with the Traction Cities splinters, the world is on a collision course - beginning and ending in London's ruined shell. As everything Tom and Hester know and love hurtles towards apocalypse, who will be left to tell the tale? Winner of the Guardian Children's Fiction Prize 2007, this epic finale is fast-moving, thrilling, heartbreaking - and as exciting as hell!