Don’t judge a book by its cover?

A substantial portion of this video concerns book cover design. I wonder if composition that works for brick and mortar stores sales is equally effective Online? Does the look of a book help to decide if a novel is made into a movie? Louis Cheskin posited transference of sensation, that design is experienced as part of the product and so packaging is overwhelmingly important in marketing. With today’s sophisticated graphics, books are judged by their covers. To what degree is this true for intangible ebooks?

The Art of the Book: Behind the Covers with Dave Eggers, Chip Kidd, Milton Glaser and moderator Michael Bierut at the 92nd Street Y in New York, December 4, 2006.