The Moon is a Harsh Mistress. In my mind it was really Heinlein’s peak. He explored the dangers of single points of failure in computing systems, explored soc

The Moon is a Harsh Mistress. In my mind it was really Heinlein’s peak. He explored the dangers of single points of failure in computing systems, explored sociology-economic implications of a moon-warren society beholden to Earth to survive, basic physics (“we’ll throw rocks at them!”), and a lot of raw political maneuvering, all involving vivid, memorable characters.