In 1866, a mysterious sea monster is spotted after an ocean liner is attacked, and an expedition is quickly assembled to hunt and destroy it. After locating and engaging the creature in combat, the three men on board discover that this monster is not a monster at all, but instead a highly advanced submarine called Nautilus, created by the morally complex and genius Captain Nemo. 20,000 LEAGUES UNDER THE SEA is classic science fiction adventure story by the author of AROUND THE WORLD IN 80 DAYS and A JOURNEY TO THE CENTRE OF THE EARTH.