Verne wrote about space, air, and underwater travel before people invented navigable aircraft and practical submarines and devised any means of spacecraft. He ranks behind Dame Agatha Mary Clarissa Christie as the second most translated author of all time. People made his prominent films. People often refer to Verne alongside Herbert George Wells as the "father of science fiction."
The plot begins to develop when he finds a manuscript inside a book, this one which is practically impossible to translate until his nephew Axel manages to decipher what he will write and the message that presents the direction to the centre of the earth.
The course of the story goes through the journey and, concluding, back to the land where the professor becomes one of the most outstanding researchers on earth.