"The earth grumbles. Growling. Rising. The city street-lamps flicker up. We're in a field somewhere in London. A pedlar boy awakes lying on the grass, in his hand a firework. How did he get here? To answer that question he must venture back to the very start via the doorsteps of privileged London and the cracks that swallow thousands of young Londoners every year."--Page 4 of cover.