About the book: year / Rey made a mistake when she decided to take a wounded enemy on board the Millennium Falcon. Hux made the mistake of being a little late with the rescue mission. Leia Organa made a mistake when she lost both her husband and son many years ago. Kylo Ren made a mistake by allowing the girl from Jakku to take up permanent residence in his thoughts. Sooner or later it becomes necessary to correct mistakes.