Bauer Books & Jules Verne 
Journey into the Center of the Earth [EPUB ebook] 

The intrepid Professor Liedenbrock embarks upon the strangest expedition of the nineteenth century: a journey down an extinct Icelandic volcano to the Earth's very core. In his quest to penetrate the planet's primordial secrets, the geologist–together with his quaking nephew Axel and their devoted guide, Hans–discovers an astonishing subterranean menagerie of prehistoric proportions. Verne's imaginative tale is at once the ultimate science fiction adventure and a reflection on the perfectibility of human understanding and the psychology of the questor.