All over the world brutal attacks are crippling entire cities. Jackson Oz, a young biologist, watches the escalating events with an increasing sense of dread. When he witnesses a coordinated lion ambush in Africa, the enormity of the violence to come becomes terrifyingly clear. Now, with the help of ecologist Chloe Tousignant, Oz must race to warn world leaders before it's too late. But the attacks are growing in ferocity, cunning, and planning --...