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Re-read of a YA book I liked a lot as a kid. Not one that stands up great as an adult, but I was quite fond of it when I was 10; I took it out from the library several times. Some interesting ideas that presage Stephenson's Snow Crash, though not nearly as in-depth – protagonist is modern day and real world, but playing an unsupported, pirated version of an immersive VR fantasy game.