Following the clues found in a bottle cast into the ocean, Lord and Lady Genarvan set off for South America and Australia in their shipDuncanto search for the shipwrecked Captain Grant. Their eventful and perilous journey givesVernethe opportunity to describe a variety of exotic places.
Originally titledLes Enfants du Capitaine Grant(“The Children of Captain Grant”), the story has inspired several movie adaptations. Ayrton, one of the characters, reappears inThe Mysterious Island.