Aesthetic entomologists aren’t interested in insects. Their goal is to search for and capture “exoparasites”—creatures of any origin that resemble, in their appearance and body shape, earthly swallowtail butterflies. And Alexan Bugoi is one of the most famous aesthetic entomologists, and his collection is known throughout the galaxy. But achieving that isn’t easy. It is his mind, cunning, daring, ruthlessness—and, above all, his single-minded drive and unshakable faith in himself—that carries him from one successful hunt to another, until it brings him to the edge of the galaxy, to its very last limit...