This document analyzes the conventions used in theatrical posters for popular horror films from 1932 to 1980. It discusses elements like inclusion of the director/filmmaker's name, taglines, imagery, colors, and text formatting that were commonly employed to attract audiences. Specific posters analyzed include Freaks (1932), Psycho (1960), Texas Chainsaw Massacre (1974), Jaws (1975), The Omen (1976), Dawn of the Dead (1978), Halloween (1978), Alien (1979), and Friday the 13th (1980). Common conventions included using primary colors, mysterious or unsettling imagery, taglines that generate curiosity, and inclusion of cast/crew to draw on prior work. These posters effectively communicated