Searching for a freelance book editor

If you're thinking about using a freelance editor for your next book, Maya Rock has some tips on finding a good one, such as this one on seeking out testimonials and references from an editors' other clients: "Don’t be afraid to ask for references. Just be aware that the relationship between freelance editors and their clients is very private — many clients request confidentiality. Still, others are happy to give feedback." Also, asking for a sample edit.