Journey to the Center of the Earth (), also translated with the variant titles A Journey to the Centre of the Earth and A Journey into the Interior of the Earth, is a classic science fiction novel by Jules Verne. It was first published in French in 1864, then reissued in 1867 in a revised and expanded edition. Professor Otto Lidenbrock is the tale's central figure, an eccentric German scientist who believes there are volcanic tubes that reach to the very center of the earth. He, his nephew Axel, and their Icelandic guide Hans rappel into Iceland's celebrated inactive volcano Snæfellsjökull, then contend with many dangers, including cave-ins, subpolar tornadoes, an underground ocean, and living prehistoric creatures from the Mesozoic and Cenozoic eras (the 1867 revised edition inserted additional prehistoric material in Chaps. 37–39). Eventually the three explorers are spewed back to the surface by an active volcano, Stromboli, located in southern Italy. The category of subterranean fiction existed well before Verne. However his novel's distinction lay in its well-researched Victorian science and its inventive contribution to the science-fiction subgenre of time travel—Verne's innovation was the concept of a prehistoric realm still existing in the present-day world. Journey inspired many later authors, including Sir Arthur Conan Doyle in his novel The Lost World, Edgar Rice Burroughs in his Pellucidar series, and J. R. R. Tolkien in The Hobbit. Plot The story begins in May 1863, at the home of Professor Otto Lidenbrock in Hamburg, Germany. While leafing through an original runic manuscript of an Icelandic saga, Lidenbrock and his nephew Axel find a coded note written in runic script along with the name of a 16th-century Icelandic alchemist, Arne Saknussemm. When translated into English, the note reads: Lidenbrock departs for Iceland immediately, taking the reluctant Axel with him. After a swift trip via Kiel and Copenhagen, they arrive in Reykjavík. There they hire as their guide Icelander Hans Bjelke, a Danish-speaking eiderduck hunter, then travel overland to the base of Snæfellsjökull. In late June they reach the volcano and set off into the bowels of the earth, encountering many dangers and strange phenomena. After taking a wrong turn, they run short of water and Axel nearly perishes, but Hans saves them all by tapping into a subterranean river, which shoots out a stream of water that Lidenbrock and Axel name the "Hansbach" in the guide's honor. Following the course of