The terrific science-fiction novel «20 000 Leagues under the sea» by Jules Verne has been first published in 1870. The main hero of the novel, the professor Pier Aronnax, tells about his journey by «Nautilus» submarine, which was headed by mysterious Captain Nemo. This novel has become the real pearl of fiction and has even affected developments of science a lot. The specialists of Cryptologic company have created 20 000 Leagues slot machine after it.