William Gibson & Bruce Sterling 
Difference Engine [EPUB ebook] 

The computer age has arrived a century ahead of time with Charles Babbage’s perfection of his Analytical Engine. The Industrial Revolution, supercharged by the development of steam-driven cybernetic Engines, is in full and drastic swing. Great Britain, with her calculating-cannons, steam dreamnoughts, machine-guns and information technology, prepares to better the world’s lot . . .