KDPEasy Storybook Prompt Kit Review: Building AI Coloring Books

I have spent the better part of a month wrestling with ChatGPT to make a single coloring book. The first attempt, a story about a bunny, fell apart by page 4 when the bunny turned into a bear, then a dog, then something with too many ears. I re-prompted, I pasted reference images, I described the bunny in exhausting detail. Nothing held. Eventually I closed the chat and went back to my day job, convinced AI publishing wasn't for me.

That frustration is exactly what led me to the KDPEasy Storybook Prompt Kit. I was reading a forum thread about character consistency and someone mentioned it as the fix. I clicked through, read the sales copy, and bought it for $16.95. It is a web app that assembles ChatGPT prompts for you, so you can build a full coloring storybook from one sentence, with a locked Character Bible so your hero stays the same from page 1 to page 30. I have used it on two books since. Here is what actually happened.

What You Actually Get

First, the price. You pay $16.95 once. There is no subscription, and it's a lifetime license to the web app. For that you get the main tool plus four bonuses, which the sales page values at $127 total. I am skeptical of inflated value stacks, but the contents are real.

• The main Storybook Prompt Kit app, where you type an idea and it generates four sets of prompts: the story, one image prompt per page, the covers, and the Amazon listing.
• Bonus 1 is 250 Story Sparks, paste-ready story ideas across 14 niches like Animal Friends, Dinosaurs, Space & Sky, Under the Sea, Fairy Tale & Magic, and the rest.
• Bonus 2 is the Canva Design Guide, which walks you through turning your images into a print-ready KDP interior, including the single-sided printing trick where you leave blank backs.
• Bonus 3 is the Niche Research Report, covering demand versus competition, a seasonal calendar, keyword ideas, and a framework for picking a niche.
• There is also a quick-start guide, a PDF you read once in ten minutes.

The tool itself is a simple web interface. It does not generate images. It does not call any AI. It assembles prompts from templates, which means running it is instant and free to use as often as you want. You generate the images yourself in ChatGPT, which works on the free plan with daily limits, though the sales page suggests Plus if you plan to publish regularly.

Key Features

The core idea is that ChatGPT drifts. Custom GPTs forget instructions. Hand-written prompts wander. The kit solves this by giving you an exact prompt to paste, every time, so the AI stays on track. There are several features worth knowing about.

The Character Bible lock is the main selling point. When you run the story prompt in ChatGPT, it creates a locked description of your character: species, body, face, colors, outfit. Then you generate every image in the same ChatGPT chat. No reference image juggling. The page on this explains it as a two-part system, and it genuinely works better than what I was doing before.

Story text placement is another. You can choose where the text sits on the page: top, bottom, left, right, or auto. I used auto for both books and it looked sensible.

Trim sizes are built in. Six real KDP sizes: 8.5 x 8.5, 8 x 8, 6 x 9, 8 x 10, 8.5 x 11, and 11 x 8.5 landscape, each with the matching Canva document size. That saved me the headache of remembering dimensions.

Art styles are limited to two: Bold & Simple and Bold & Rounded. Both are designed for children, ages 4 to 8. Simple shapes, short read-aloud text, wide spaces to color.

The listing helper is a nice extra. It writes a prompt for your full Amazon book description, seven sections, seven backend keyword phrases, and three category suggestions, all from your story. I used it on my second book and it saved me an hour of staring at a blank field.

The KDPEasy Storybook Prompt Kit page shows sample pages from three books built this way: a triceratops story, an astronaut story, and a clownfish story. I want to be clear these are real generated page samples, and they show the style accurately. Bold outlines, clean line art, not too busy.

Actually Using It

I built two books with this kit: one about a dinosaur for my nephew and one about a firefly for testing the Etsy printable route. Both were 24 pages. I did not time myself to the second on the first book, but the second took me roughly four hours from idea to a finished PDF ready to upload, and that includes several breaks and at least six regenerated pages.

The workflow starts with typing one sentence into the tool. For the dinosaur book I wrote "A young triceratops who is proud of her horns learns to walk tall." I could have pasted a detailed paragraph for a tighter result, but the sentence was enough.

The tool then gives me the story prompt. I copied it into ChatGPT. The story came back complete with a beginning, middle, and end, split into 24 pages. It also locked the Character Bible, describing Tibby the triceratops in detail. I did not have to write any of that myself.

Step 2 is where I paste the story reply back into the tool. It asks me to choose where the text sits, and I hit auto. Then it gives me one image prompt per page. There are no page numbers, which is intentional, and there is a bulk .txt download of the whole set. I downloaded it and kept it as backup.

Step 3 is the real work. I opened a fresh ChatGPT chat for images, separate from the story chat. I pasted page 1's prompt first and checked the character. It looked right, so I generated every other page in that same chat, one by one. This is the part where the system earns its keep. The character stayed consistent the entire time. Tibby looked like Tibby on page 22 just as much as page 2. I did not need any reference images. I did need to regenerate a few pages where the text came out garbled or the composition was wrong. The sales page admits this will happen, and it did.

Step 4 is covers and listing. I filled in my title, no subtitle, and picked a cover style. The tool built a full-color front and back cover prompt that matched my interior character, with the bottom-right corner left clear for KDP's barcode. I generated both in the same image chat. The listing prompt came next, and I ran it in another ChatGPT window.

The assembly was the most tedious part. I took the images into Canva and followed Bonus 2's guide. The trick with coloring books is single-sided printing, where you leave the back of each page blank. It means you have to place each image carefully. It is manual work, and the sales page is honest that this is a manual process. Full automation is an optional upgrade that I did not buy.

What annoyed me most was the sheer volume of pasting. Twenty-four pages means twenty-four individual image prompts, and each one took a few seconds to paste and a few more to run. Then there was the odd regenerate. It is not a one-click thing, and anyone expecting that will be disappointed.

What did not annoy me at all was the quality. The line art is clean and the characters are genuinely consistent. The sales page says the tool assembles the same solid prompt every time, and that is the core value. It fixed the exact problem I had given up on a month earlier.

I also tested the firefly book for the Etsy route. I turned it into a printable PDF, and the process was identical, just without the barcode concerns. The niche report helped me pick a niche with lower competition, which is more useful than it sounds.

Pricing and Value Analysis

The price is $16.95. That is the only number I was charged. The sales page lists a value of $127 for everything included, which is marketing math. What matters is what you get for $16.95, and that is a web app with lifetime access, three bonuses, and a quick-start guide.

There is a 30-day money-back guarantee, so you can try it for a month and get a full refund if it does not save you time. The sales page says you get to keep the bonuses even if you refund, which is generous if true.

Option	Price	What It Is
KDPEasy Storybook Prompt Kit	$16.95	Prompt assembly web app plus all bonuses
Hiring an illustrator	$100+ per book	Full creative control but slow and expensive
Free ChatGPT prompts	$0	Works but character drift will drive you mad
Custom GPT setup	$20/mo for Plus	Still drifts and forgets instructions

Compared to hiring an illustrator, the $16.95 is nothing. Compared to doing it by hand for free, you are paying to save hours of frustration. For me, the consistency alone was worth it. I was about to give up on the whole idea, and this got me to a finished product.

Pros and Cons

Here is where I land after two full books and a whole weekend of using the system.