Twenty Thousand Leagues Under the Sea of the premiere adventure novels and one of Verne's greatest works, along with "Around the World in Eighty Days" and "Journey to the Center of the Earth". The description of Nemo's ship, the "Nautilus", was considered ahead of its time, as it accurately describes features on submarines, which at the time were very primitive vessels. A model of the French submarine "Plongeur" (launched in 1863) was displayed at the 1867 Exposition Universelle, where it was studied by Jules Verne, who used it as an inspiration for the novel. The title refers to the "distance traveled" while under the sea and
Twenty Thousand Leagues Under the Sea Prince Dakkar), it is muddied by the presence of several irreconcilable chronological contradictions between the two books and even within "The Mysterious Island." Verne returned to the theme of an outlaw submarine captain in his much later "Facing the Flag". That book's main villain, Ker Karraje, is a completely unscrupulous pirate acting purely and simply for gain, completely devoid of all the saving graces which gave Nemo—for all that he, too, was capable of ruthless killings—some nobility of character. Like Nemo, Ker Karraje plays "host" to unwilling French guests—but unlike Nemo, who manages to elude all pursuers, Karraje's career of