Back Die Differenzmaschine German La máquina diferencial Spanish The Difference Engine Finnish La Machine à différences French A gépezet Hungarian The Difference Engine ID La macchina della realtà Italian Maszyna różnicowa (powieść) Polish The Difference Engine Portuguese Machina diferențială Romanian
The Difference Engine (1990) is an alternative history novel by William Gibson and Bruce Sterling. It is widely regarded as a book that helped establish the genre conventions of steampunk. It posits a Victorian era Britain in which great technological and social change has occurred after entrepreneurial inventor Charles Babbage succeeded in his ambition to build mechanical computers. The novel was nominated for the British Science Fiction Award in 1990, the Nebula Award for Best Novel in 1991, and both the John W. Campbell Memorial Award and the Prix Aurora Award in 1992.