The Moon Is a Harsh Mistress

*The Moon Is a Harsh Mistress* is a science fiction novel by Robert A. Heinlein, first published in 1966. The story is set in 2075 on the Moon, which has become a penal colony for Earth's undesirable citizens. It details a lunar colony's revolt against Earth's rule.

The book explores themes of revolution, libertarianism, and artificial intelligence through the eyes of its main characters, including a one-armed computer technician, a beautiful revolutionary, and a sentient supercomputer. It is intended for readers interested in classic science fiction, political philosophy, and speculative narratives about societal change.