An Antarctic Mystery; Or, the Sphinx of the Ice Fields

In his later years, Jules Verne crafted two sequels inspired by works that shaped his early imagination, specifically Johann Wyss's Swiss Family Robinson and Edgar Allan Poe's The Narrative of Arthur Gordon Pym of Nantucket. Verne found Poe's original narrative incomplete and sought to expand upon it, highlighting the significant influence Poe had on his literary career. These sequels reflect Verne's desire to revisit and enhance the stories that captivated him in his youth.