Analog Readers Choice

This issue contains: INTRODUCTION / OLD FAITHFUL (Raymond Z. Gallum) / HELEN O'LOY (Lester Del Rey) / REQUIEM (Robert Heinlein) / SOME CURIOUS EFFECTS OF TIME TRAVEL (L. Sprague de Camp) / THE COLD EQUATIONS (Tom Godwin) / PLUS X (Eric Frank Russell) / THE BIG FRONT YARD (Clifford D. Simak) / WHAT DO YOU MEAN - HUMAN? ( John W. Campbell, Jr.) / HOME IS THE HANGMAN ( Roger Zelazny) / EYES OF AMBER (John D. Vinge) / ENDER'S GAME (Orson Scott Card).