on Writers Helping Writers:

If you’re all about Mark Zuckerberg’s famous credo “move fast and break things,” you may feel confident diving from writing into self-revision and then editing. But if you like to get the lay of the land before trying new things, or if you’d appreciate having an experienced guide to call on as you’re writing, a book coach could be just what you need.

A book coach shows you the ropes from start to finish. Book coaches have been described as consultants, mentors, teachers, and personal trainers for your writing.

Book Coaching Vs. Editing