Hollow World by Michael J. Sullivan

Ellis had reached what seemed to be the end of his life: His son was dead, his marriage was over, and he’d just been diagnosed with lung cancer. So he stepped into the time machine he’d built in his garage for a one-way trip into the future. And humanity was living very differently in the Hollow World.

( Read more... )

Overall: It’s moderately formulaic man-out-of-time spec-fic, and it’s a fast read if you like that sort of thing.