This document provides a summary and analysis of Nicola Griffith's 1993 science fiction novel Ammonite. It discusses how Griffith uses the concept of the "alien" to estrange familiar aspects of reality and examine what it means to be human. The novel is set on the planet Jeep, where the human characters encounter alien beings and cultures that are vastly different from their own world. This creates a sense of unfamiliarity and cognitive estrangement that allows the reader to view human nature in a new light. By the end of the novel, the main character Marguerite has spent enough time on Jeep that she becomes acclimated to the alien world and integrated into its society.