I think Atlas Shrugged might qualify -- it takes place in an alternative universe and deals with the implications of a couple of fictional technologies (Rearden metal and John Galt's engine). Animal Farm is really pushing the definition, though.
Since I'm sure everybody's idea of the best three will differ, a list of 32 with summaries so you can pick out the three (out of those which you haven't read) which are likely to appeal to you is probably more useful.
Since I'm sure everybody's idea of the best three will differ, a list of 32 with summaries so you can pick out the three (out of those which you haven't read) which are likely to appeal to you is probably more useful.