Super Short Summary

In Flatland: A Romance of Many Dimensions by Edwin A. Abbott, the story is narrated by a character called the Square, who lives in a two-dimensional world with a strict social hierarchy based on shape. He dreams of a one-dimensional world, Lineland, and later meets the Sphere, who introduces him to the concept of a three-dimensional world, Spaceland. Despite gaining new insights, the Square's attempts to share his knowledge in Flatland lead to his imprisonment. The novel includes references to rape and death by suicide.