Chronoliths

Scott Warden is a man haunted by the past - and soon to be haunted by the future.
In early twenty-first-century Thailand, Scott is an expatriate slacker. Then, one day, he inadvertently witnesses an impossible event: the violent appearance of a 200-foot stone pillar in the forested interior. Its arrival collapses trees for a quarter mile around its base, freezing ice out of the air and emitting a ...