Writing with Insight. Mentoring with Purpose.

Edit your book. Strengthen Your Voice.

At MorningStar Editing LLC, I combine professional editing and coaching with one-on-one mentoring so you just don’t polish a manuscript—you grow as a writer. 

More Than Editing

Editing should strengthen the writer, not just the manuscript.

I help you understand why revisions matter, refine your voice without rewriting it, and move forward with clarity and confidence.

Every service includes thoughtful, skill-building guidance.

Who I Work With

I partner with authors to develop stronger manuscripts—and stronger writing skills. I work with

  • Children’s authors
  • Cookbook and craft book creators
  • Nonfiction writers who care deeply about their readers

I work best with writers who are building serious, lasting careers.

Experience You Can Trust

I’ve edited award-winning trade books including Daisy Cakes and South, and I bring that same care and industry awareness to every project.

Let’s Talk About Your Manuscript

If you’re ready for professional editing grounded in mentorship, I’d love to hear about your manuscript.

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About Us

Hi, I’m Cassie Armstrong—writing coach, book editor, and owner of MorningStar Editing LLC. I help writers clearly understand their work and shape books with intention, clarity, and respect for the reader.

I work with authors to create clear, engaging, publish-ready books that truly serve their audience. From children’s literature to craft and how-to books to cookbooks meant to be used and loved, I partner with career-focused writers who care deeply about their work and want their books to stand out in today’s marketplace.

I’ve had the privilege of editing two award-winning trade books, Daisy Cakes and South, and I bring those lessons to every manuscript I work on. My focus is helping you see what’s working, what could be stronger, and—just as importantly—why those changes matter, so your book does exactly what it’s meant to do.

Books aren’t finished simply because they’ve been revised; they’re finished when they clearly communicate with the right audience. I approach every manuscript with care, honesty, and respect, honoring your voice while guiding you toward a book you can share with confidence….

Testimonials

Testimonials

OUR PORTFOLIO

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The following lists include a select few of the genres and titles I’ve edited. I’m happy to share more of the titles and genres with you if you’re interested or if requested.

Children’s Books

  • 79 Amazing Science Games to Blow Your Mind by Anna Claybourne
  • Catching Jordan by Miranda Kenneally
  • Curtis Gets Ready to Dream by Catrina Stiller
  • Epic Myths for Fearless Girls by Claudia Martin
  • Escape Room Adventures Sherlock Holmes Greatest Case by Alex Woolf
  • Just Don’t Mention It by Estelle Maskame
  • Kyrie’s School Blues by S. P. Brown
  • Lavender Plant and the Two Naughty Fairies by Izzy Laing
  • Lexie’s Little Lie by Emma Shevah
  • My Own Two Feet by Stephanie McCoy
  • Princesses Don’t Wear Glasses by Tia Cherie Dammen
  • Snowball the Baby Yeti by Melody Lockhart
  • The Day the Calf Ate the Chocolate Cake by Rachel Campbell Deddens
  • The Last to Die by Kelly Garrett
  • Treasury of Fairy Tales by Claire Philip........
OUR PORTFOLIO

CONTACT US

Phone: 719-494-6674

Email: cassie@morningstareditingllc.com

Interested clients can contact me via email: