官方公布的主要简介说的是During the US Civil War, Union POWs escape in a balloon and end up stranded on a South Pacific island, inhabited by giant plants and animals. They must use their ingenuity to survive the dangers, and to devise a way to return home. Sequel to '20,000 Leagues Under the Sea' . Written by Stewart M. Clamen <clamen@cs.cmu.edu>
