Surviving Zero: Zero Series, Book 5 (Unabridged‪)‬

Reggan and her friends have failed in their attempt to reach Canada. Still hunted by aliens and the army, they decided to hide in the bunker her grandfather built. But with supplies running low, they must venture out to restore not for food, but for gas. The only place they can think to get these is back in their hometown Cornwell. The very place they don't want to go.