Instruct: Classify Amazon reviews into positive or negative sentiment
Query: 4th issue

This fourth issue of Asimov's long-running magazine has some great stories like "Heretic In A Balloon" by L. Sprague de Camp. Other authors include Asimov himself, F.M. Busby, Randall Garrett, and Barry Malzberg. This magazine was launched the same year Star Wars was released, and this is the first issue to mention the classic film, as it's reviewed by Charles N. Brown, with 3 black & white stills.