The Difference Engine, written by William Gibson and Bruce Sterling, is a groundbreaking alternative history mystery that explores the consequences of early computer technology. Set in Victorian England, the story imagines a world where Charles Babbage's Analytical Engine was successfully built and ushered in the Information Age much earlier. The novel follows a group of characters who become entangled in a conspiracy involving powerful machines and political intrigue. With its blend of historical accuracy and speculative fiction, The Difference Engine is a must-read for fans of alternative history and mystery genres.