Beggars in Spain, written by Nancy Kress, is a science fiction novel that explores the concept of genetic engineering and its implications. The story is set in a future where some people are genetically modified to not require sleep, leading to a divide between the sleepless elite and the rest of society. Kress delves into the ethical dilemmas and societal consequences of bioengineering, making Beggars in Spain a thought-provoking and engaging read for fans of the genre.