Ok well, maybe I should have post mine in the first post (though I was expection bit more interest in this thread lol xD)
My personal favourite is "The Good Soldier Svejk" by Jaroslav Hasek. Its a story about Svejk - the brave (but dumb) soldier. Funny thing is that while you read it - you are never 100% sure is Svejk really a moron (comision of doctors decided he is!) or is he just a good heart, yet bit dummy, wise guy who just tries to do his best to survive the WW I. In general, its a mix of absurd, comedy and anti war message. Hasek was a soldier during WW I, so some say that most of his characters are inspired by living people he did meet in his life ;)
I did read this book few times, whenever Im in a mood, I just read it again - I think its worth it.
"The road to selfdorm" by Hayek. It dates back to 1944, but some of his concepts are like "wtf? How the hell he predicted it!?" Its pretty much a socialist-bashing publication, though (knowing that author is a noblist) it does make sense and its not only a hate speach. I must say, before reading it I was a socialist - really beliving one. After this lecture, and few others experiances I totally reviewed my oppionions.