Grace Menary-Winefield

Grace Menary-Winefield – Editor

Mystery || Fantasy || Speculative — 10+ years at Big Five and indies with NYT, USA Today, and Sunday Times bestsellers.

Overview

I relish stories that are surprising and pull me into a new world, idea, or concept! I particularly love working on thrillers (gothic, science-fiction, horror, fantasy), mysteries (I am a puzzle fanatic, and I will always try to solve it before the big reveal!), and the romantasy genre across YA, new adult, and adult. It's a pleasure to pick apart and help you enrich your world-building, whether that be your magical systems, political hierarchies, or dystopian/post-apocalyptic society break-downs.

My portfolio includes international bestsellers THE RADIUM GIRLS by Kate Moore, Stuart Turton’s THE 7 1/2 DEATHS OF EVELYN HARDCASTLE, and SANCTUARY by VV James (adapted into an amc+ original series). Additionally, I acquired the indie horror powerhouse Darcey Coates and Kelly Mustian's THE GIRLS IN THE STILT HOUSE before turning freelance, and it would be wonderful to work on similar projects. I hope you'll look at a sampling of my projects below to see the wide range of genres I've covered across the industry.

Please note that for some Piatkus projects (Sherrilyn Kenyon, Christine Feehan, Lia Riley, etc.), they might reflect as their US counterpart. Reedsy doesn't allow Amazon.co.uk links.

Depending on what your aim is (traditionally-published, self-published, agent submission, the sheer joy of writing), my advice and mark-ups will vary. But ideally for everyone, our working relationship and the project's editorial journey should be fun! It's an edit, but it's also a discussion with lots of questions, challenges, and discoveries. I never aim to change your voice, and at the end of the day this is your book -- not my own.

Beyond developmental editing, it is always a pleasure to assess submission drafts, proposals or query letters. I'm currently not considering projects which utilize AI -- thank you!

Services
Non-Fiction
History Self-Help & Self-Improvement
Fiction
Mystery & Crime Post-Apocalyptic Romantic Fantasy Thriller & Suspense Time Travel
Languages
English (UK) English (US)

Work experience

JMH Scouting

Oct, 2019 — Jan, 2021 (about 1 year)
At this literary scouting agency, I was assigned most of the commercial submissions to read and assess for the market. More often that not, thrillers and mysteries found their way to my desk, and I might have read every single combination of whodunnit conceived (until I read yours, of course!)

Sourcebooks/Poisoned Pen

Jan, 2015 — Sep, 2019 (over 4 years)
In my five years at Sourcebooks, I touched various genres including narrative nonfiction, mystery, horror, personal development, and fantasy. I am particularly proud of Kate Moore's THE RADIUM GIRLS and the impact it had on bringing a hidden tragedy and the women's incredible courage into the light. The twisty world of Stuart Turton was another project that kept everyone guessing -- editing his speculative mysteries was like a puzzle in more ways than one!

Piatkus (Little, Brown Book Group)

Jan, 2012 — Jan, 2015 (almost 3 years)
I worked on the UK publications of romance and fantasy superheroes Julia Quinn, Sherrilyn Kenyon, Karina Halle, Christine Feehan, and others with proofreads to anglicize for UK markets and providing numerous editorial assessments during the submission process.

Portfolio

The 7 1/2 Deaths of Evelyn Hardcastle

Turton, Stuart

Sourcebooks Landmark

Developmental Editing
Developmental Editing
Styxx (The Dark-Hunter World)

Kenyon, Sherrilyn

Piatkus

Proofreading
The Girl from Rawblood: A Novel

Ward, Catriona

Poisoned Pen Press

Editorial Assessment
The Girls in the Stilt House: A Novel

Mustian, Kelly

Sourcebooks Landmark

Editorial Assessment
The End of the World Running Club

Walker, Adrian J.

Sourcebooks Landmark

Editorial Assessment
The Devil and the Dark Water

Turton, Stuart

Sourcebooks Landmark

Editorial Assessment
Editorial Assessment
Dark Wolf ('Dark' Carpathian)

Feehan, Christine

Piatkus

Proofreading
Developmental Editing Copy Editing
Editorial Assessment
Son of No One (The Dark-Hunter World)

Sherrilyn Kenyon

Piatkus Books

Proofreading
After She Wrote Him

Gentill, Sulari

Poisoned Pen Press

Proofreading
Slow: Simple Living for a Frantic World

McAlary, Brooke

Sourcebooks

Proofreading
Developmental Editing Editorial Assessment
Ninety Days In The 90s

Frye, Andy

Atmosphere Press

Developmental Editing Editorial Assessment Query Letter Review
Her Perfect Life: A Novel of Sisters and Secrets

Taylor, Rebecca

Sourcebooks Landmark

Developmental Editing
Copy Editing Editorial Assessment
Darkhouse

Halle, Karina

CreateSpace Independent Publishing Platform

Proofreading
Upside Down: Off the Map 1

Riley, Lia

Piatkus

Proofreading
The Fifteen Wonders of Daniel Green

Boyce, Erica

Sourcebooks Landmark

Developmental Editing
Developmental Editing

Grace has 7 reviews

Professionalism

Quality

Value

Responsiveness

Abigail F.

Abigail F.

Mar, 2026

Pinned
Grace provided excellent feedback on my query package. She jam-packed each deliverable with actionable insight, while staying true to my vision. I found her comments easy to understand and implement, and she gave me great things to think about for my entire manuscript. This will have an incredibl...
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Kingsley L.

Kingsley L.

Mar, 2026

Pinned
Grace is amazing. Full stop. Her feedback and suggestions have pushed my manuscript into the "I think I might get agented" category (not kidding). She identified places where the emotional beats were missing or where my characters were overreacting. She asked thoughtful questions about my wor...
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Sigurd H.

Sigurd H.

Mar, 2026

Pinned
Grace is amazing. I feel like anything else I follow up with will lessen this fact. She is quick. She is dependable. She's encouraging but also critical (in a fair way) and is easy to get a hold of. I will definitely be knocking on her door when my next project is ready.
Genevieve J.

Genevieve J.

Apr, 2026

Grace provided honest and tactful feedback. She gave me many great ideas for addressing areas that needed attention, some that hadn't occurred to me. All of it expressed with the notion that keeping my voice was important. Our follow-up session was extremely helpful. Talking through her feedback ...
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Dave B.

Dave B.

Feb, 2026

The whole experience was amazing, she gave great critique along with sound advise for how to correct what was needed. Great communication and super easy to work with. I will be reaching out to Grace work together again on the next steps of my project soon. If you are looking for help in a project...
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Most recent contributions

How important is it for first-time authors to adhere to standard word counts, and what flexibility do they have based on genre or target audience?

In a very loose way, it's important to adhere to genre standards in word count simply because they've developed over time in response to what works best in the market. There are always exceptions, but those are usually backed up by an established author or sweeping support from retailers, librari...
Read more

Do editors ever experience genre fatigue?

Some editors do experience genre fatigue, in the same way that we might feel oversaturated reading or watching a certain sort of storytelling. From my perspective, this is the creative brain's way of stopping us from getting too comfortable and look outside what we *think* we know. Basically, get...
Read more

What's a novel with an unforgettable ending, and what narrative choices made it so impactful?

"She turned away. Behind them lay pain and death and fear; ahead of them lay doubt, and danger, and fathomless mysteries. But they weren’t alone. So Lyra and her daemon turned away from the world they were born in, and looked toward the sun, and walked into the sky." -- The Northern Lights by P...
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