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. With the help of ecologist Chloe Tousignant, Oz races to warn world leaders before it is too late. The attacks are growing in ferocity, cunning, and planning, and soon there...

Marine ecologist Annie Henderson joins her new boyfriend on a trip to the Western Isles of Scotland to protest a hazardous offshore drilling venture. When she realizes that she may be swept up in something far more dangerous than she's intended, there is only one man she can turn to ... Because he's gruff and guarded, she can tell Dan Warren has secrets. But she could never imagine how high the stakes are for him to keep his cover, even as he risks...