This science fiction novel unfolds aboard a massive, generational spaceship initially en route to colonize a distant planet. Over time, the ship's inhabitants have forgotten their mission and the nature of their world, developing a society with medieval-like structures and myths surrounding the "universe" of their ship. The story follows a young man who, through a series of events, discovers the truth about their environment and the ship's original purpose. His revelations challenge the established order and beliefs, leading him on a dangerous quest to steer his people towards the rediscovery of their true mission and the broader universe beyond their confined existence.

The 9386th greatest book of all time