3 Million Judgements of Books by their Covers

One last preface: This isn’t a scientific study. The results do not account for how well known a book is (which would influence the rating despite the cover), nor do they account for the fact that Goodreads does not allow ratings under 1 star. Each book’s results certainly had a pattern however, some we found very interesting.

From 3 Million Judgements of Books by their Covers — Medium