IF you are even LOOKING at this selection, I tip my hat to you, because you are clearly one of the few, the proud and the brave to value the best that science fiction has to offer. Barry Longyear's 1979 Hugo and Nebulla award winner is one of the best pieces of science fiction your students will ever read. Of all the many selections I read with my students, it is a guaranteed winner every year and yet few teachers seem to be aware of it. If they are, it's because they have a dim memory of the di