What does Buzz mean in the sort options? Buzz is a combination of the number of ratings and review notes added for that book or recipe. It doesn't necessarily mean the book or recipe is the most loved, just that it had the most feedback. Related articles Is there an Eat Your Books app for iPhone/Android? Can I add cookbooks that do not have ISBN numbers? I keep my cookbooks in two different locations - do I need two Bookshelves? Can I be a Facebook fan of Eat Your Books or follow you on Twitter? Will EYB have a wishlist?