Stargate SG-1
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I'd forgotten that I had this book until I was digging a bit deeper through the shelf, bought at the time when I was really into the series.
If you're a fan, then you will know all the characters, how they look and act, and get a good feel of it from this novel. It would work well as a standalone sci-fi novel as well, as they are fleshed out enough to be able to read it without knowing the TV show.