The #1 bestselling author of World War Z takes on the Bigfoot legend with a tale that blurs the lines between human and beast—and asks what we are capable of in the face of the unimaginable.   As the ash and chaos from Mount Rainier’s eruption swirled and finally settled, the story of the Greenloop massacre has passed unnoticed, unexamined . . . until now. But the journals of resident Kate Holland, recovered from the town’s bloody wreckage, capture a tale too harrowing—and to