In the End

A Sinkhole Swallows 12 Teens
In the young-adult thriller novel, 12 senior high boys attempt to escape death by sliding down a rope and climbing into an old mine tunnel, the entrance to an underground labyrinth.
One of the boys senses a menacing presence but can't prove its existence. Then the mine's dangers claim one life after another.
The closed-knit boys soon realize that their limited food and water supplies is the least of their problems. Hope of returning home changes to needing to find a way out of the endless, dangerous, tunnels to escape whatever is killing them off. How many of them will live to tell their tale?