Monday, July 14, 2025

Detail, Dialect, and Sausage-Making: A Review of The Moon Is a Harsh Mistress

Well, here we are: Robert A. Heinlein's The Moon Is a Harsh Mistress. You'd think, me being me, that I would have read this libertarian sci-fi classic a long time ago, but somehow that's not the case.

That said, let's get to it.

The Moon Is a Harsh Mistress tells the story of a revolution of the people of the Moon against the control of the Earth. The main/PoV character is Manuel, a guy who works on Luna's biggest supercomputer, and finds out that it's alive, or something close to it. That's not a spoiler; it happens in the first few pages of the book.

Manuel befriends this computer. He calls it Mike. Around the same time, Manuel gets pulled into some major civil unrest on Luna, and ends up leading a group working toward independence for the moon colony. The original inhabitants of Luna were criminals, but now that's not the whole population, plus many of the criminals have served their time, only to discover their bodies can no longer handle full Earth gravity.

Having a huge, self-aware supercomputer on their side turns out to be a big help to the independence movement.

To continue with minimal spoilers, what I can say is that the scenario Heinlein creates for the quest for independence is incredibly detailed, with a lot more ups and downs than many authors would bother to create, and more ups than you'd expect, thanks in big part to Mike's input. There are some very interesting hard choices to be made, and Heinlein doesn't skimp on consequences.

Because of the high level of detail, the pacing varies widely throughout the story. The "fun" parts are relatively quick, though expanded significantly through Heinlein's attention to detail, but the "boring" parts are not ignored. It feels like most authors who write about big societal upheavals love to ignore the busywork, but Heinlein doesn't let us pretend there isn't sausage being made.

The Lunar quest for independence kept me intrigued, though. I would frequently wonder, what problem will they face next? What tactics will they use? There were almost always multiple courses of action to take, and a decent amount of discussion and consideration of pros and cons and potential next moves.

The story is told from Manuel's first person perspective, which is consistent and usually unsure of what he'll do next or whether what he's doing is right. He's thrown into the driver's seat of history by accident, and his clear purpose and level-headedness pull him through.

There are lots of unique and interesting cultural details in the story: life on Luna, how cultural norms are enforced, the strange cultural norms that arise due to certain societal forces, tons of detail about the long-term health and physical traits of born and bred moonmen... I wonder how accurate Heinlein's perspective on the long-term effects of 1/6th gravity are on the human body. We know zero-g is really bad, but Heinlein proposes a lot of positive effects of long-term moon-level gravity.

One element that gets a lot of detail is Heinlein's description of the "line marriage" system prevalent on Luna. Part of me wonders how much of Manuel's praise for the "line marriage" is Manuel speaking, and how much is Heinlein. Clarke did something similar, too, in Rendezvous with Rama, but there was a lot less detail about it in Clarke's writing.

Another element that I found kind of... quaint? was the conception of how low the bar was to a computer being seen as "alive." In the modern day of AI production of everything from writing to memes to videos to jokes and beyond, once Manuel discovers Mike can talk and come up with jokes, he pretty much concludes Mike is a real boy.

The characters in the book are functional but not really layered or tricky. Everything is pretty straightforward, with nearly all of the intrigue coming from their complicated task. Heinlein tries doing something really weird with dialect in this book: he drops a lot of pronouns and connecting words, and throws in a lot of little foreign-language bits, which were almost always thankfully obvious in meaning. However, the dialect is somewhat inconsistent, leading to it being more difficult for the reader to "get used to."

The foreign language bits are frequently redundant, with several different words used for "yes," or so it seems, but on more careful consideration I realized that it may have been an attempt by Heinlein to highlight the spirit of independence and local pride of the people of Luna.

One final major criticism: The current e-book edition available on Amazon is abhorrently bad. It is a bad picture-to-text scan, with lots of messed-up letters and hyphenation. The formatting is awful, with missing line and page breaks. The last sentence of most chapters runs into the next chapter number, it's so badly done. There are even quite a few repeated sentences later in the book!

So, I'll link to an older edition here, and if you want a physical copy, go look for an old print edition or something on Ebay or whatever. I'm serious. As far as I can tell, the print editions that pop up first on Amazon are also based on this butchered eBook version.

Final thoughts: I enjoyed it, even though it was somewhat hard to read, partly due to Heinlein's inconsistent application of dialect, and partly due to the awful eBook version. However, if I look past those problems, I thought it was detailed, fought hard to stay plausible, and most of all, was hopeful. A good story for any freedom-loving sci-fi readers to check out.

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