Fever Crumb is a stunning, stand-alone prequel to Philip Reeve`s brilliant science fantasy quartet. It is set many generations before the events of Mortal Engines, in whose dazzling world huge, predatory cities chase and devour each other. Now, London is a riot-torn, ruinous town, clinging to a devastated landscape and hiding an explosive secret. Is Fever, adopted daughter of Dr Crumb, the strange key that will unlock its dangerous mysteries?