Diana Renn Coaching and Editorial Services
Diana Renn. Mystery Writer, Editor, Book Coach.

Photo by Jessi Vultaggio

Mystified by your story? I can help!

Do you have a mystery idea, but aren’t sure where to begin?

Is your mystery full of great ideas, but the puzzle pieces just aren’t clicking?

Have you created a sleuth, but aren’t sure how they’ll crack the case?

Have you figured out whodunnit, but not how to fool your readers?

I’m Diana, author of six mystery novels for kids through adults and creator and writer of a full-cast audio drama centered on conservation crimes. I’m also a mystery-focused book coach and editor.

I help writers untangle plots, craft compelling mysteries, and finish their stories.

Whether it’s a traditional mystery or another genre with mysterious elements, I love helping writers plan drafts, tackle ambitious revisions, deepen characters, plant satisfying clues, and solve seemingly impossible plot problems. Let’s demystify your mystery!

If you wish to skip ahead to see my menu of coaching and editing services, you can do so here. Otherwise, scroll down to learn more about me and why I love this work.

 

I love a mystery!

I’m the author of six published mysteries written for different age markets: middle grade, young adult, and adult. I’ve published articles about writing mysteries in Writer’s Digest, The Writer, Publisher’s Weekly, The Huffington Post, and elsewhere. I teach workshops on mystery writing craft.

I’m fascinated by the endless possibilities the mystery genre offers, including its overlap with  historical fiction, literary fiction, speculative fiction, and more. Every story contains elements of mystery — questions that keep readers turning page — so many of the strategies I teach translate beyond the mystery genre. Still, mystery writers face unique plotting challenges, and I love helping writers to solve those puzzles. 

Mystery writers make so many interconnected decisions. It’s easy to overcomplicate a plot, lose perspective after countless revisions, reveal too much too soon (or not reveal enough) and forget that compelling characters matter as much as twisty plots.  It’s also easy to get so immersed in character that the plot loses momentum, especially in the middle. Or to balk at the investigative work a sleuth has to do because of our own blind spots about procedures.

Manuscripts can also shrink and swell when we start ruthlessly cutting words with no plan, or piling on problems to propel ourselves through the murky middle. Reveals can pace out awkwardly in a draft stage, with explanations bunching up at the end. 

The most painful thing for many mystery writers is confronting a massive problem that seems to have no solution. We can feel alone with the mess we’ve created, and forget why we were driven to write the book in the first place.

I know what it’s like to get stuck in a plot hole despite best-laid plans, or to feel the finish line of a book receding endlessly into the distance. 

I also know the value of having a trusted sidekick who can help you investigate the situation and get you out in one piece. 

Whether you’re planning a first draft, stuck in the middle, or facing a major revision, my mission is simple: to help you see your story more clearly, solve the problems getting in your way, better understand your writing process, and become a sleuth of your own stories.   

Diana Renn is an author accelerator certified fiction book coach
Diana Renn is an editorial freelancers association member
Diana Renn is a 2026 Sisters in Crime member

Here’s a bit more about me!

For over three years, I served as the Director of Coach Development at Author Accelerator — the premier training and certification program for book coaches. It was founded by book coach extraordinaire Jennie Nash, who also runs her own highly successful private book coaching business.

Working closely with Jennie over the years, I learned how to deliver clear, compassionate, high-level editorial comments with a project management approach and emotional support for the writer at any stage of the process. At Author Accelerator, I worked with our team of thirty founding coaches, offering mentorship and professional development training. I matched writers with founding and newly certified coaches who came through our training program. I advised writers on coaching and editing paths to move their project forward. I reviewed practicums and certification portfolios for book coaching students, offering detailed feedback on their coaching.

As a certified coach myself, with an ongoing professional connection to Author Accelerator, I have access to the coaching materials developed by Jennie Nash (such as the Blueprint for a Book planning system). I’m happy to incorporate those tools into any coaching program I offer. I also work eclectically, incorporating tools of my own, such as my Demystify Your Mystery exercises and customized prompts.

Prior to working at Author Accelerator, I worked at an academic coaching company. Earlier in my career, I coached teens and adults with ADHD and executive-function challenges. That experience continues to shape my work with writers today. I enjoy helping people organize ideas, break complex projects into manageable steps, develop sustainable writing systems, and tailor processes to different learning styles. Helping all writers with project management and accountability is integral to my coaching approach. 

I have over two decades of professional editorial and teaching experience. I worked in educational publishing, authoring and editing many types of textbooks and online educational materials, from writing texts to videos. I served as the Fiction Editor at YARN (Young Adult Review Network), an award-winning online magazine featuring short-form writing for teens. I have also taught at Boston University, Brandeis University, Wentworth Institute of Technology and Grub Street Writers in Boston. 

I bring my publishing industry knowledge to the page. I’ve experienced publishing from many angles, as an author, developmental editor, bookseller, magazine fiction editor, and publishing professional. Whether you’re pursuing traditional, hybrid, or self-publishing, or whether you’re writing for young readers or adults, I’m happy to help you understand your options.

More recently, my work has expanded into scripted audio. As the creator and writer of the full-cast audio drama Rambling Roads Mysteries, I’ve discovered new storytelling possibilities in writing for performance and collaborating with actors, directors, and audio producers. I also enjoy working with writers developing audio dramas, scripted podcasts, and other narrative scripts, and have coached screenwriters as well..

In short: my entire career has involved working with words, helping people to tell their stories.

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