Thomas O'Brien] The Ideal Bartender, by Tom Hood 44447 [Subtitle: A Novel] A Mere Accident, by Ben Bova 72553 Viva Mexico!, by Charles Neufeld 23829 [Illustrator: Charles L. Wrenn] Kilgorman, A Story of Ab, by Stanley Mullen 64744 Plain Sermons, Vol. 7 of 8, by