20,000 Leagues Under The Sea20,000 Leagues Under the Sea by Jules Verne, published in 1870, is a pioneering science fiction novel. It follows Professor Pierre Aronnax, his servant Conseil, and a Canadian whaler named Ned Land, who are captured by Captain Nemo aboard the submarine Nautilus. As they journey through the oceans, they encounter extraordinary marine life and underwater wonders. The novel explores themes of adventure, isolation, and the dangers of scientific discovery,