STRONG FINISH
EDITORIAL
DESIGN
First-class book editing services for three decades: manuscript evaluation, substantive editing, line editing, copy editing, and proofreading.
TO BE SURE
Serving Clients Worldwide
canada, usa, england, france,
switzerland, netherlands,
spain, china, taiwan
Featured Title
The Testaments
Heather copy edited and proofread Margaret Atwood’s The Testaments, the internationally best-selling, 2019 Booker Prize–winning sequel to The Handmaid’s Tale.
It’s her 17th title with the highly esteemed author and recipient of multiple prestigious awards, including the Commonwealth Writers’ Prize, Giller Prize, and the National Book Critics and PEN Center USA Lifetime Achievement Awards. A number of Atwood’s books have been adapted for film, television, and theatre.
“Many thanks are due to … Heather Sangster of Strong Finish, the demon copy editor who picks every nit, including those yet unhatched.” ~ Acknowledgements in The Testaments
“Heather Sangster has been the primary copy editor of my work for the past 25 years and my publications owe a great deal to her services. She is meticulously thorough and thoroughly professional.” ~ Margaret Atwood
In the Press
Heather Sangster/Strong Finish
in The Globe and Mail
Making the Right Calls
Specializing in best-sellers, award-winners, and the development of emerging talent, Heather Sangster delivers the absolute highest calibre of professional book editing services, including copy editing, line editing, substantive editing, and proofreading.
A combination of classic principles, contemporary sensibilities, insider expertise, and just the right touch delivers a signature service with measurably superior results.
In short, whether you’re an author, publisher, or savvy business who needs editing of any kind, she can surely help.
Book Editing Services
manuscript evaluation
Insightful analysis of your content and technique along with effective suggestions in a detailed report.
substantive editing
A big-picture examination to shape structure, credibility, voice, and message.
line / copy editing
A close review for flow, tone, and clarity while correcting mechanical issues.
proofreading
A meticulous final read for accurate and reliable quality control, resulting in a polished project.
copywriting/research
Persuasive, natural copy that ignites action.
A deep dive into fact-checking and supplementary analysis.
Portfolio Sample
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Let’s Get You There.
Your book—my advice—no strings attached. I’ll provide clarity and peace of mind by showing you next steps and pricing.