<p>In another science-based entry in his <a href="https://standardebooks.org/collections/voyages-extraordinaires">Voyages Extraordinaires</a> series, <a href="https://standardebooks.org/ebooks/jules-verne">Verne</a> takes us on the journey of Simon Hart, an engineer who poses as a medical attendant to the scientist Thomas Roch. Roch’s invention of a world-conquering weapon has driven him insane. As the paranoid doctor rests in a sanatorium, the vicious pirate Ker Karraje kidnaps both Roch and Hart. Karraje takes them to a secret hideaway in a burned-out island caldera in the Bermudas—but Hart hatches an ingenious escape plan.</p>

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