Wendy and her kids fight familial battles and attacks from other survivors, while Zack, Grizzly and their small group continue pushing south, fighting through dangers both natural and human in Edge of Extinction Book 4. A terrifyingly realistic post-apocalyptic adventure from #1 bestseller Mike Kraus! In the frozen wasteland north of Alaska, a series of mega-rigs operated by joint USA/Russian teams go up in flames, killing...