I disagree. The book shows us in concrete form, the basis and validation of objective morality. If I have time later today I'll elaborate but I'm working right now.It's available for free on line.
Anyway, If you're into a science or engineering background you'll enjoy it. Lots of cool stuff in that domain. On the other hand, the characterization is kind of weak. Still a lot of fun to read, but don't expect a lot of character development or deep insight into the nature of what it is to be human or anything like that. It's light to medium hard science fiction, if that makes any sense.
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