Best Science Fiction Stories Of The Year Author:Lester Del Rey (Editor) Poul Anderson- THE BITTER BREAD; Hayford Peirce-MAIL SUPREMECY- HIGH YIELD BONDAGE P.J. Plauger-CHILD OF ALL AGES; Phyllis Eisenstein-TREE OF LIFE;Stephen Robinett-HELBENT FOUR;Robert Hoskins; Liz Hufford; Clifford D. Simak; Joan D. Vinge and Vernor Vinge