Writer Katherine Mayfield

Editorial Services

I'm a professional editor as well as an award-winning author. I love working with words!

I began as a legal proofreader in the 1980s, and have edited everything from novels to nonfiction books, memoir, poetry, and magazine articles. I'm thorough and detail-oriented, and my primary focus is making the writing as tight and exciting as possible, while still maintaining the unique voice of the writer. Please see the testimonials below.

Here are some of the benefits of having your book professionally edited or critiqued:

  • You'll be presenting yourself as a professional writer rather than a newbie.
  • The pace and flow of the book will provide the best reading experience possible for the reader.
  • You characters and plot will be well-developed. There won't be any inconsistencies that make a reader think, "Huh?"
  • If you're looking for an agent or publisher for your next book, a book that is clear, typo-free, and grammatically correct will encourage their respect.
  • Your writing voice—the use of imagery, words, ideas, and theme that makes your writing uniquely your own—will be strong and clear.
  • You'll get better (and possibly more) reviews on Amazon because an edited book is so much more enjoyable to read.
  • Your book will be more saleable.

As a developmental editor, I have worked with clients to create books from blogs, workshops, or piles of notes and ideas. Projects have included creating a book from blogs and radio interviews for a retired Bishop in the Catholic Church, numerous titles from workshop leaders' notes, and a book on spirituality by a yoga teacher/circus performer. My line-editing experience includes manuscripts for both individuals and publishers.

My ghostwriting specialty is memoir. My own memoir, The Box of Daughter, has won awards and critical acclaim, and I enjoy coaching other authors through the memoir-writing process as well.

Which type of editing is right for you?

Line editing consists of checking and correcting spelling, grammar, and punctuation; checking for consistency; changing word choice and sentence structure to improve readability and/or clarify meaning; and making note of any aspect of the writing that is not clear to the reader. The best time to engage an editor for line editing is when you have a final draft, or are nearly ready to publish.

Manuscript critique is especially useful when a writer has completed an early draft, and needs an objective eye to provide feedback on plot, character development, and storyline in fiction; or theme, flow, and development in nonfiction and memoir.

I also work with a limited number of writers as a mentor for writing and/or the self-publishing process.

For more information or to receive a quote, please send an email.


"I have used Katherine Mayfield's editing services for two of my novels, and have been thrilled with the results. A writer herself, she's professional, insightful, and thorough, with a fierce attention to detail that never sacrifices an author's personal writing style. The very best in the game!"
—Darcy Scott, author of Hunter Huntress, the award-winning Matinicus—An Island Mystery, and the critically acclaimed Reese's Leap

“We'd like to offer high praise for Katherine’s skills as a developmental editor! After staring at our pieces (which we had simply alphabetized by topic) for so long, we couldn't find logical groupings to structure our book. Katherine's fresh eyes and critical brain expertly crafted the perfect framework to reposition the topics in a reader-friendly fashion. My greatest fear in hiring an editor was that her polish would alter the true voice, but Katherine's edits beautifully maintained our rhythm and tone. My only regret is that we didn't hire her a year earlier!”
—Jill Grimes, MD, family physician and co-author with Bishop John McCarthy of Off the Cuff and Over the Collar

”Each comment I received from Katherine on my manuscript briefly told me not just the “what” but the why. Working with her is like having an extra pair of your own hands. She turns work around fast, and it comes back clean. I supplied her with hundreds of typos and oversights, and her corrections and suggestions were consistently on the mark. Her eye for the missing comma did not stop her from reading my content as well, and I emerged from our work feeling heard and understood as a writer.
Katherine has secured her place as my copy and development editor du choix. If that's the phrase I'm after.”
—Karl Saliter, circus performer and author of The Unicycle Diaries

"Katherine, who has edited three of my works, has the ability to zero in on precisely what is wrong with a novel and articulate in clear, concise and simple language how to make it publishable and compelling. She is honest and she is easy to work with."—Vicki Salloum, author of Waiting for You at Midnight

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