editorial services



Making your text shine.

From light- to heavy-editing, STH offers copyediting services for all kinds of text. Unsure what level of editing your project requires? Contact STH for a free initial assessment and quote.


Connecting the dots.​

Indexes function as essential access points for your readers to connect with your text. STH offers comprehensive indexing services for every type of text and publication.


Perfecting the details.

Proofs need to be perfect prior to publishing or posting. With a keen eye for details, STH will carefully review your document to catch and resolve any typos, formatting issues, or other errors.

New Authors

Working together.

Novice author? First time self-publishing? New to the field herself, STH is open to working with authors of all experience levels and budgets. Contact STH today to discuss your project.


Samantha Tillie Holtgrewe is a freelance copyeditor, indexer, and proofreader. She started STH Editorial Services in 2018 after completing UC Berkeley Extension's Sequence in Professional Editing and Indexing: Theory and Application courses.

Samantha earned a bachelor's degree in art from Skidmore College and has since worked in art education, college advising, administration, and office management. She enjoys reading, creating art, crocheting, and cooking in her free time at home in Upstate New York.

For more information, availability and scheduling, or assessments and quotes, email Samantha below or at sth.editorial@gmail.com.

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