The weather was both a blessing and a curse. The effects of the cold on the remaining undead population were welcome, making them easier to spot and therefore avoid (as well as stripping them of their ability to attack), but the snow made driving a challenge, even with the makeshift plough welded to the front of the truck. They’d done well to keep moving at a steady speed for several hours, but it was hard going. The conditions were changing. The clouds had gradually disappeared, and the sun had emerged at the least opportune moment. The glare was unrelenting. Sanjay had one hand on the wheel, the other covering his eyes. ‘Forgot to pack my sunglasses,’ he mumbled without irony. David was focussed on the paper maps he’d been carrying since leaving Yaxley. He’d followed their progress care

