Wayward by Chuck Wendig

"If King had written a sequel to The Stand, it might look something like this monumental epic of a story."—James Rollins, #1 New York Times bestselling author of Kingdom of Bones
"As great as Wanderers was, Wayward is better."—Christopher Golden, New York Times bestselling author of Road of Bones
Five years ago, ordinary Americans fell under the grip of a strange new malady that caused them to sleepwalk across the country to a destination only they knew. They were followed on their quest by the shepherds: friends and family who gave up everything to protect them.
Their secret destination: Ouray, a small town in Colorado that would become one of the last outposts of civilization. Because the sleepwalking epidemic was only the first in a chain of events that led to the end of the world—and the birth of a new one.
The survivors, sleepwalkers and shepherds alike, have a...