"Salaperäinen saari: Seikkailukertomus" by Jules Verne is a novel serialized from 1874 to 1875. During the American Civil War, five Union prisoners escape in a stolen balloon and crash on a remote volcanic island. Led by engineer Cyrus Smith, they transform from castaways into colonists, building tools, shelter, and even a ship. But mysterious events suggest an unseen benefactor watches over them. When pirates threaten their survival and secrets emerge from the island's depths, the colonists discover their refuge holds extraordinary hidden connections to their past. (This is an automatically generated summary.)
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