Jules Verne 
Journey to the Centre of the Earth [EPUB ebook] 

An ancient book is opened by the eccentric Professor Lidenbrock and his life and the life of his nephew Axel is changed for ever. An old piece of paper has tumbled from the book, a priceless parchment that will lead them on a terrifying journey to find what lies at the centre of the Earth. A timeless adventure, brilliantly introduced by Diana Wynne Jones, one of Britain’s top fantasy and sci-fi writers for children.