Reaping The Harvest (Harvest Trilogy, Book 3)

Jack Dawson awakens from the terrifying nightmare of the events in Bitter Harvest to find his world under siege. Millions of people have already died, and billions more are at stake. As he and his companions face the enemy on the ground, brilliant geneticist Naomi Perrault is forced to strike a bargain with the devil as she races against time to develop a super-weapon that could win the war.