The Sparrow, written by Mary Doria Russell, is a haunting science fiction novel that delves into the challenges of alien diplomatic relations. The story follows a group of Jesuit priests who embark on a mission to make contact with an extraterrestrial civilization. As they navigate cultural differences and grapple with the consequences of their actions, the novel explores themes of faith, morality, and the complexities of interstellar communication. Russell's beautiful prose and thought-provoking exploration of alien diplomacy make The Sparrow a must-read for fans of science fiction.