The Time Machine by H. G. Wells. Published in 1895. This classic novel about time travel is a giant in the science fiction genre.
Wells brought the idea time travel to popularity by inventing the concept of a "time machine" vehicle. This novel is an early example of dystopian literature, which describes a future earth that has decayed rather than improved. In his explorations in time, the time traveller fights the dreaded Morlocks and even goes so far into the future that he reaches a period near the end of the earth,where the sun is huge and red.
The popularity of this novel and theme has inspired numerous films, television shows, comic books, and related works of fiction.