Let’s be honest: there are some atrocious book covers out there. The really bad part is that often the creator of the cover is utterly blind to its faults. Like proverbial faces beloved only of mothers, these covers make their designers’ hearts swell—at the same time that they elicit snickers from the unbiased.

Here at Greenleaf, we believe in telling someone when they’ve got a big piece of spinach in their teeth. And we also know that—while it may seem shallow—nothing charms a prospective buyer more effectively than crackerjack packaging. That’s why we created RateMyBookCover.com. Upload your cover (it’s absolutely free) and, much like Internet dinosaur HotOrNot.com, the crowds will let you know what they think of your image on a scale of 1 to 10.

Scientific? Authoritative? Kind? RateMyBookCover.com is none of these things, but we nevertheless think it will give you an invaluable glimpse into what people (other than your friends and family) think of your cover. Whether you’re a seasoned designer or Joe Self-Publisher who came up with a great homemade concept in Microsoft Paint, RateMyBookCover.com gives you an objective perspective on the face your book will show the world.

Keep in mind that content is, as always, king. But if your cover doesn’t reflect the quality behind it, you have crippled the title’s appeal to a consumer—and drastically reduced your chances of getting in a bookstore in the first place. Check it out, and don’t forget to let your fellow authors and designers know what you think of their ideas.