“This is a humorous medium-ambitious space opera sci-fi. As far as ideas and world building go, I enjoyed some of the concepts (e.g. "smart blood"), but found others highly naive / dubious (silly biological aliens, etc). The story is enjoyable, but doesn't try too hard to wow. Overall, a satisfying bite of a story-driven sci-fi if you can forgive the unrealistic universe. 3/5
Andrej Karpathy's Review of Old Man's War
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“Space opera sci-fi, a bit too bland on ideas and scope.
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