If you're a fan of Star Trek and you haven't read this book, you really should. The novel is a fun romp through the seedy underbelly of sci-fi television series -- similar in tone and concept to Galaxy Quest, so if you liked that you'll definitely like this. :)

Scalzi's experience as a consultant on a sci-fi television show (Stargate: Universe) clearly comes into play, and it's also clear he's been following other recent metafiction (like Fforde's Thursday Next series). While the climax and denouement aren't anything overly clever or earthshaking, the book itself is humorous, fun, and well worth your time.