Djelo je dio Vernovog ciklusa "Neobična putovanja". Glavna tema je borba protiv nepravde, posebno , dok je osnovna poruka da snaga volje i znanje mogu nadjačati i najteže životne prepreke.
Antagonist, okrutan i podmukao. Simbolizira zlo i pohlepu koja pokreće trgovinu ljudima. Gospođa Weldon: lektira petnaestogodisnji kapetan prepricano install
: Snažna i odana majka, supruga vlasnika broda. Džek : Sin gospođe Veldon. Djelo je dio Vernovog ciklusa "Neobična putovanja"
: The whaling ship Pilgrim , led by Captain Hull, is heading back to San Francisco from New Zealand. Onboard are Mrs. Weldon (the wife of the ship's owner), her son Jack, and a mysterious cook named Negoro. When the crew attempts to hunt a whale, a disaster occurs, leaving Dick Sand as the only person capable of commanding the vessel. led by Captain Hull