the only one i've read is Anthem.
i didn't agree with a lot of it (mostly the man being God part, but i won't discuss that here) but i found the story fascinating. i get an odd enjoyment out of reading stories about how strict and horrible society will be in the distant (or not so distant?) future. call me crazy, 'cause i do.
but really, i absolutely love it.
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Sam: I never said that!
Dean: You're always sayin' pansy stuff like that.