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
Jules Verne magazine. (The manuscript, believed lost for some time after Verne's death, was finally published in 1994.) The relationship between publisher and writer changed significantly around 1869, when Verne and Hetzel were brought into conflict over the manuscript for "Twenty Thousand Leagues Under the Sea". Verne had initially conceived of the submariner Captain Nemo as a Polish scientist whose acts of vengeance were directed against the Russians who had killed his family during the January uprising. Hetzel, not wanting to alienate the lucrative Russian market for Verne's books, demanded that Nemo be made an enemy of the slave trade, a situation