Science fiction is probably the most popular box office genre in movie history and has given filmgoers some of their most memorable cinematic experiences. Outer Limits takes its readers on a tour of the sci-fi cinema universe in all its fantastical, celestial glory.From Metropolis to Avatar, these milestone films are included in this illustrative Filmgoers' Guide, and have captivated those who enjoy sci-fi since the dawn of cinema. Featuring examples of sci-fi film poster-art