The Time Machine is a science fiction novella by H. G. Wells, published in 1895 and written as a frame narrative. The work is generally credited with the popularization of the concept of time travel by using a vehicle or device to travel purposely and selectively forward or backward through time. The time machine is a science fiction novel by H.G. WELLS, published in 1895 and written as a frame narrative. The narrator feels differently, but the overwhelming message of the book can be construed as a warning against hubris and faith in progress. One important theme is that of class conflict.