Should #ebook #covers list story word count?

Personally, I prefer e-books to print. However, as I was scrolling through cover thumbnails of stories saved to my kindle for something new to read yesterday, I realized that E-books are inferior to print books in two ways:

Their covers provide no visual clue as to the length of the book (with print books you can immediately approximate the length just by looking at the book’s spine); and

Too often they do not provide a summary of the book’s contents (which usually can be found on a print book...