Niels Klims Underground Travels, originally written in Latin as Nicolai Klimii Iter Subterraneum (1741), is a captivating satirical science-fiction and fantasy novel by Ludvig Holberg, a notable Norwegian-Danish dramatist, historian, and essayist from Bergen, Norway. This work, his sole novel, offers a unique glimpse into a utopian society through the eyes of an outsider, cleverly critiquing various cultural and social issues, including morality, science, sexual equality, religion, governance, and philosophy. (Summary by Wikipedia)