book review: the clockwork rocket

What I love about reading Greg Egan books is reading about creatures that are psychologically very recognizable but physically alien. In other books this comes through reading about robots and software, but The Clockwork Rocket is about a species of blobby aliens living in a universe where different colours of light have different speeds.

On their world there are male and female aliens that I picture as macroscopic amoeba type things. Reproduction means the female splits into four children (two males and two females who are brought up as “co”s brother-sisters but also as future mates), whom the father then raises. Yalda is a female who doesn’t have a co. She grows up on a farm and moves to a city and becomes a scientist and eventually leads an expedition away from their world to try and save it from an impending disaster (by using the weird properties of the speed of light in their universe).

There are digressions exploring the nature of light and toroidal universes in this book. Some people might not like them. I did. I also loved the political explorations of birth-control in a species where having children necessarily means the death of the mother. It’s very much an ideas book, and there are sequels, which I’ll definitely read eventually.

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