The novel opens with an ominous, aphoristic passage about invasions, and then quickly shifts to Cassie's story.Ĭassiopeia 'Cassie' Sullivan is a survivor of an apocalyptic invasion of Earth by aliens who have transformed the world into an isolated wasteland through a series of plague-like waves. The story is offered through a few narrative lenses including brief passages by two other characters, namely Ben Parish, Cassie's pre-invasion crush, and another young man, Evan Walker, whose relationship with Cassie becomes complicated as she learns more about his true identity.
This novel tells the story of an alien invasion through the eyes of a teenage girl, Cassie Sullivan, who seeks to rescue her brother, Sammy, from the enemy.
