Cavett mentioned a favorite author of his, someone of whom I had never heard. His name was H. P. Lovecraft, and Cavett said that he'd been hooked by the story a video version of which I've posted below, "The Haunter in the Dark."
As Cavett commented, that story as Lovecraft wrote it is so immeasurably more powerful than anything that visual media could reproduce....
I read the story, and I, too, was hooked. But this video cannot do the ending justice. As Cavett said that night, Lovecraft's prose was so compelling that one can almost hear the leathern wings slowly flapping as the Haunter in the Dark crossed the space between Federal Hill and Blake's room. It ended with words which haunt me still:
I see it—coming here—hell-wind—titan blur—black wings—Yog-Sothoth save me—the three-lobed burning eye. . . !
The video doesn't- cannot- do it justice. But here it is: