CONTENTS: ~ ~ NOVELLA: Tourist Sam [Ben Bova]; NOVELETTES: Tramp [David Alexander]; Rules of Engagement [Michael F. Flynn]; SHORT STORIES: Why Didn't You Think of That Before We Left? [Jerry Oltion]; The Stones From Which Meadows Grow [Wolf Read]; In Loco Parentis [Edward H. Seksay]; ARTICLES: Epsilon Bootis Revisited [Duncan Lunan]; Defenders of the Faiths [Stanley Schmidt]; Pathfinder [Jeffrey D. Kooistra]