They're coming.Tens of thousands of eaters are marching towards the city, devouring everyone in their path. One man controls them: Harvey Boot. He will go to any lengths to perfect the weaponised Meir's virus and become a Survivor. But first he must destroy the only people who can stop him, Alex MacCallum and Micah Clarke.Alex and Micah have just a few days to prepare their home for the invasion. Together with their friends, they will have to meet the approaching eater army head on.But Alex has a goal that's more than just surviving the coming battle. Boot took away his future.Now Alex wants revenge.*Vengeance is the third in the Twenty-Five Percent series and not a stand alone story. For the full experience, read Mutation (book 1) and Downfall (book 2) first.