Reunion (Yearbook Trilogy #3)
Ally Condie

Sam Choi is one of Addie’s best friends, and he has a few secrets of his own. He doesn’t want to go on a mission, and he’s not sure how to break the news to his parents.
Cate Giovanni is a freshman in college, and enjoying the chance to reinvent herself and leave her high school years behind. As she makes new friends and encounters new people, she also can’t help but think about someone she left behind.
Reunion, the final book in the Yearbook trilogy, is a novel about the journeys home that become possible after you’ve discovered more about yourself.