In some cases, a sci-fi movie adaptation can be spectacular, and still feel like a pale imitation of the source material. This has less to do with the quality of the adaptation itself, and more with the nuances that can only be conveyed through the literary medium. Sci-fi stories get streamlined and condensed onscreen for valid reasons, but the original still shines brighter in some respects. Here are five such examples where you're better off going straight to the source material than watching the movie it inspired.