Jules Verne 
Twenty Thousand Leagues Under The Sea [EPUB ebook] 

The USS Abraham Lincoln sets forth on an expedition in search of a monstrous sea creature creating havoc in the seas, with the brilliant Professor Aronnax, his helper Conseil and the harpoonist Ned on board. But soon, the search party falls into trouble and finds itself aboard the mysterious Nautilus- a technological marvel that piques the curiosity of Aronnax. While Aronnax and Conseil remain enamored by the wonders of the ocean, Ned is bent on escaping his underwater prison. Will the three captives ever manage to escape the Nautilus and its enigmatic maker?