on Jane Friedman site:
Amazon editorial reviews are one of the most underrated tools in a self-publishing author’s arsenal—that’s because most authors either don’t know what they are or how to access them.
Editorial reviews are book evaluations that are usually written by an editor or expert in the book’s genre or field.
You can find them on your book’s sales page, just above the About the Author section.
Chris The Story Reading Ape's Blog 
I can’t bring myself to ask for editorial reviews, so I take snippets from some of the posts kindly left by readers. It’s still a great way to highlight positive feedback.
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