What does it mean to describe cinematic effects as "movie magic," to compare filmmakers to magicians, or to say that the cinema is all a "trick"? The heyday of stage illusionism was over a century ago, so why do such performances still serve as a key reference point for understanding filmmaking, especially now that so much of the cinema rests on the use of computers? To answer these questions, Colin Williamson situates film within a long tradition...