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192 pages, Mass Market Paperback
First published February 1, 1974
"We will, many of us writers and readers, be around in 2020, medical science being what it is—-assuming that any one will be around in 2020. By then, probably, nobody will give a hang what we said here; but the authors of this book hereby serve notice that we will buy a drink at the 2020 World Science Fiction Convention (Marscon?) for each and every reader who brings with him a copy of 20/20 Vision and points out—briefly—just where we went wrong in our visions of the future."
"Sadly, Doctor Jerry Pournelle didn't quite make it to 2020 to buy drinks at WorldCon, but he did leave a credit card to help with the tab. He wanted you to know the optimistic future would be bountiful and that his vision for ChaosManor™ postulations would live on.
If anyone in New Zealand is attending WorldCon in 2020, would you please help facilitate the bet?
We'll do it Live on Facebook. Visit jerrypournelle.com/sciencefiction or drop us a line at doctorjerrypournelle@gmail.com
Perhaps Ben Bova, Norman Spinrad and Larry Niven could skype into the call, briefly, just this once.