Foreigner, written by C.J. Cherryh, is a captivating science fiction series that delves into the intricacies of alien diplomatic relations. The story follows Bren Cameron, a human diplomat living among the alien atevi species on the planet of the same name. As the sole human representative, Bren must navigate the complex political landscape and bridge the cultural divide between humans and atevi. With its detailed world-building, political intrigue, and exploration of cultural differences, Foreigner has gained a dedicated following and is highly sought-after by fans of alien diplomacy in science fiction.