"The Priory of the Orange Tree" is a fantasy novel by Samantha Shannon, set in a world divided by a long-standing conflict between dragons and humans. The story follows multiple characters, including Ead Duryan, a secret protector of the queen, and Sabetha, a dragon rider, as they navigate political intrigue and personal struggles. The novel explores themes of power, loyalty, and identity, while also featuring a richly developed world with diverse cultures and histories. It highlights the importance of unity in the face of adversity, as characters confront their fears and fight against a looming threat from the Nameless One, a powerful dragon.