Claude Hopkins Scientific Advertising Why 64/100?

Claude Hopkins Scientific Advertising Book rating on a 1-to-100 scale (Narrated by Paul Jones) Rating (5 Parameters) Narration Clarity of Speech How clear and understandable was the voice?Most of the time it is clear and understandable, but since I also had the PDF version I know that some words were misread.  4/6 via GIPHY Fluency Were …