In the high-stakes sequel to the acclaimed The Fog Diver--which was named a Texas Bluebonnet selection and winner of the 2015 Cybils Award for Speculative Fiction and the Michigan Library Association's 2016 YouPer Award--thirteen-year-old Chess and his crew must stop the deadly and mysterious Fog from enveloping the city of Port Oro and destroying their world.

Chess and his crew--Hazel, Swedish, Loretta, and Bea--may have escaped the slums, but they cannot escape the Fog that threatens to swallow the entire mountaintop city of Port Oro. Only one thing can stop the Fog: an...