Wood, Gareth. Rise series #book 1

Within hours of succumbing to a plague, millions of dead rise to attack the living. Brian Williams flees the city with his sister Sarah, literally just ahead of the undead horde. Their post-apocalyptic journey begins with refuge in the mountains, then takes them across a destroyed nation. Although banded with other survivors, the group remains desperately outnumbered and under-armed. With no food and little fuel, they must fight their way to safety. RISE is the story of the extreme measures a family will take to survive a trek across a country gone mad

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