This document summarizes the Matched book series by Ally Condie. It discusses that the series follows a girl named Cassia living in a dystopian society where the government controls who she loves and marries. Though initially matched with her friend Xander, Cassia falls for another boy named Ky. By the end of the series, Cassia remains in love with Ky but friends with Xander, living away from the society in a farmland.