Abandoned

"Abandoned" by Jules Verne is a novel serialized from August 1874 to September 1875. Five Union prisoners escape the American Civil War in a stolen balloon, only to crash on an uncharted volcanic island in the Pacific. Using ingenuity and engineering skills, they transform from castaways into colonists. But mysterious events suggest an unseen guardian watches over them. When pirates threaten their new home and secrets emerge from the island's depths, the survivors discover their refuge harbors an extraordinary connection to a legendary figure from the sea. (This is an automatically generated summary.)