
What is a comic-book cover and what does it do? Ask Donald A. Wollheim. He produced science-fiction and fantasy paperbacks starting in the 1950s. Among his many claims to fame was his discovery that a tiny cover detail could make a difference in sales. Specifically: If the cover of a Gothic romance novel showed a woman running from a darkened mansion, sales were higher if there was a light in one of the mansion’s windows. Read More +







