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Turn your body of work into an AI-powered content engine that actually sounds like you

Custom GPT training for established authors & coaches who are sitting on years of material, but still find themselves languishing in front of a blinking cursor

Let's get you off the

content treadmill- 

forever.

Congrats, you have the hard part handled already.

You’ve written the book. Built the program. Refined the frameworks. Recorded the podcasts. Delivered the workshops.

And yet, every time you sit down to “do content,” it feels like perpetually pushing a rock up a hill, only to have to do it again the next month, and the month after that…​

You:​​

  • Rewrite ideas you’ve already shared (it’s too much to keep in mind)

  • Patch together posts from old drafts and screenshots (digital graveyard?)

  • Try working with writers who never quite nail your voice (the good pens are expensive)

  • Dabble with AI tools that spit out generic, off-brand soup (fastrack to brand atrophy)
     

Meanwhile, your best thinking is gathering dust. 

The 2026 way of doing content is not “more effort, more platforms.” (sorry gurus)

​

It’s time to embrace AI the right way by building an AI-powered content engine that’s trained on your body of work, respects your voice, and runs in the background while you get on with the actual work of serving clients.

Hi! I'm Diliana and I believe the best content is profoundly human. 

I am a library-loving, spell-casting, art-making, brooch-wearing strategist and writer with a travel obsession and a box full of museum postcards. Not a tech bro! 

But that doesn't mean we have to keep burning ourselves out like it's 2022. Yes, the best content is rooted in story, nuance, intuition and everything that makes your clients come back for more. But...

​​​

The truth is the future of content is not human vs. AI, but a combination of both.

​

I'm all for editorial polish, discernment and unique voice. I'm done, however,  with the content slog and I'm here to free other business owners from the burden of the blank page.

Here's to more ease, more creativity and more joy. 

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library-loving, brooch-wearing, art-making, tree hugger with a travel obsession and a box full of museum postcards.

Sara K, Executive Coach & Speaker

"She gave me confidence and nudges that helped me find my voice and to own it. In addition to attracting new clients, our work together has yielded new speaking and workshop engagements, podcast opportunities and facilitations." 

~Sara K, executive coach

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Our V.O.I.C.E. Framework


We turn your scattered assets into a centralised, annotated library and train a custom GPT to create from it with editorial precision.

 

Here’s how we bottle your magic without losing your voice.​

​

V — Vault Your Content
We gather your books, programs, talks, podcasts, interviews, articles, launch assets, and internal docs into a single working library. No more “I know I wrote this somewhere…” treasure hunts.

​

O — Organise & Annotate
We index, tag, and annotate your material so it becomes trainable. This is where we teach your future GPT what matters most: your philosophies, frameworks, stories, and pet peeves.

​

I — Instruct Your GPT
Using your annotated library, we build and train a custom GPT on your tone, cadence, language patterns, and structure preferences. This becomes your AI junior copywriter that thinks in your voice. 

​

C — Calibrate for Precision
We stress-test outputs together, tuning prompts and instructions until the drafts feel like you on a focused writing day, not a watered-down imitation.

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E — Experiment & Expand
We build real workflows around your actual publishing rhythm: from “rough idea/voice note” to “publish-ready draft” for newsletters, blogs, social posts, scripts, and more.

The VIP Week Experience

Done for you, custom GPT trained in your unique voice delivered in a week
Investment: $4999 USD 
A fully trained Custom GPT built on your body of work
A centralised, annotated content library you can keep growing
A prompt library for your most common content types (newsletters, blogs, posts, launch assets)

Custom workflows & automations so you can go from voice note → first drafts without lifting a finger
 

A baked-in, human-made content strategy so you know what to create next and why

A private walkthrough + training so you (or your team) know exactly how to use it

30 days voice access to me (Diliana) to help you gain momentum and implement

Jill B, author

"Usually I am the team leader in all my projects, as a solopreneur it was so refreshing to bring someone on board who outworked me on a project! She built a full marketing and posting strategy as well as some great insight into how to better organize my own products in the future. It was a great experience for me, and I would highly recommend Diliana to anyone looking to up-level their online messaging. Also, she's funny, which is a must."

Jill B, author

Services

All the ways we can work together

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Strategy Call · 90 mins · $250

For clarity, direction, and a human-led content strategy. We audit your current content, audience and business goals and map out your next best moves for the next 60–90 days.

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VIP Week · custom GPT · $4999

A one-week sprint where we transform your body of work into a voice-true, AI-powered content engine with real workflows built around your life and publishing cadence.

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Content Chiefing · Monthly ·
from $999

Ongoing editorial and strategic support to keep quality high and your voice intact.

What this looks like:

  • Voice access for quick questions and ideas

  • Light edits and feedback across your content

  • Monthly content strategy touchpoints

  • Human eyes on all GPT-assisted drafts before you press publish

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Free

Book of Spells

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Ready to add an AI writer to your team?

If you’re sitting on a deep body of work and you’re tired of watching it gather dust while you keep rewriting the same ideas, VIP Week is your invitation to do it differently.

One focused week.
A voice-true AI copywriter.
A content engine built around your actual life & business

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More client Love

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"Diliana is more than a writer — she's a savvy strategic partner. I know my customers, but with a wave of her wand and a few hours, Diliana knew them better. She took dozens of pages of client words and created incisive and elegant copy that had this editor/writer/perennial underseller totally charmed. Working with Diliana was so easy — everything was delivered on time or sooner. Bonus points for her no-bullshit approach. "

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Kristina U, Community Founder

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You still here?

Read the Blog

"One machine can do the work of fifty ordinary men. No machine can do the work of one extraordinary (wo)man."
-
Elbert Hubbard

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©SpellBook Creative, 2026

Diliana Popova
Contact: hello@spellbook.agency
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