Over the last 15 years, the South African writer Lauren Beukes has been a journalist, a screenwriter, a documentarian — and most recently, a novelist. Her new book is called The Shining Girls, a summer thriller about a time-traveling serial killer and the victim who escapes to hunt him down.

NPR's Bob Mondello reads an excerpt of one of the best submissions for Round 11 of our short story contest. He reads Beyond the Fence by Matthew Campbell of Salem, Mass.