developmental editing services manuscript review

My substantive / developmental editing services typically follow through on the points raised in your manuscript evaluation. Note, however, that an evaluation is not always a mandatory first step.

Often we can move right into a substantive edit after consultation and review. We will work closely together to focus and refine your manuscript for submission to an agent / publisher or as a developmental step toward self-publishing. In some cases, I will also apply the relevant style guide for your manuscript.

Substantive editing is often called developmental or conceptual editing, and some sites even refer to it as line editing (hardly confusing when trying to determine what your manuscript needs, right?).

Based on my in-house experience, substantive editing is defined as addressing the “big picture” aspects page by page. This could include structure, organization, and logic for nonfiction; and plot, pacing, and character development for fiction.

Many editors (myself included) draw this distinction: If your manuscript is incomplete, you need to collaborate with a developmental editor to turn the concept into a finished book. If your manuscript is complete and you’ve taken it as far as you can, you need a substantive editor to perform an expert overhaul.

If the details below don’t describe the type of professional editing services or analysis you think your manuscript might need at this stage, consult my other service definition pages for manuscript evaluation, line editing, copy editing, and proofreading.

If you’re still unsure or would just like to see how I can be of help, contact me and we’ll determine your next best steps together. You’ll be relieved at how clear things will become again.

My substantive editing services include:

  • clarifying and / or reorganizing your
    manuscript for content and structure,
  • suggesting or drafting changes for you, and 
  • negotiating those changes with you.
Rated 5 out of 5
“Working with Heather Sangster on the substantive edit of my literary fiction manuscript was an excellent experience. From the outset, she understood the story I was trying to tell and the improvements I wanted to make, particularly increasing tension and eliminating flab that was slowing the narrative. Her editorial comments were clear, thoughtful, and highly actionable. Rather than simply identifying problems, she offered concrete direction on how to strengthen scenes, sharpen character dynamics, and improve pacing. Throughout the process, I felt that she was fully engaged with both the manuscript and my artistic goals. Thanks to her guidance, the manuscript emerged tighter, more focused, and far more effective.”
Jonelle Van Delft, author
~ Jonelle Van Delft
The Left Bower
Rated 5 out of 5
“I am in such good hands....I want to thank you for the care and time you have taken with your feedback [in Edit 1]. It’s a pleasure to read your thoughts and insights—something not always true of notes. So far I am excited by what you have revealed and contributed.”

“Thank you again for your excellent work on Edit 2….I can already see how your second pass subtly yet significantly elevates the book….Your notes, revisions, and ideas continue to improve what I had, in ways both subtle and far-reaching—I’m getting excited to release the novel to the world.”
Ian Ginn author
~ Ian Ginn
Producer, screenwriter, co-creator & showrunner of the Netflix series Keizersvrouwen / Women of the Night, and author of SERUM 8: Amsterdam 2045
Rated 5 out of 5
“Wow, I am speechless. Your edits [in Edit 1] go beyond my expectations. Your attention to detail and chronology are impressive….I am overwhelmed by your positive and thoughtful feedback.”

“I’ve gone through your Edit 2 suggestions. I’m growing much more comfortable with the manuscript, thanks to your help.…I’m very impressed with your editing and how much my story is coming through.…I’m even more excited now to publish.”
Rockie Lyons, author
~ Rockie Lyons
Behind the Counter: An American Dream Turned Nightmare
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