Skip to content
Koit AcademyAll ebooks

AI Tools · PDF · 139 pages

An AI image generation guide for repeatable results, not lucky ones

Twenty-six chapters on getting the same character, product and look every time, across Midjourney, ChatGPT Images 2.0 and Nano Banana.

  • Get the same character, product or style across a whole campaign instead of a folder of near-misses.
  • Write a prompt in seven defined slots, so when an image is wrong you know which slot to change.
  • Read a failed generation against a table of thirty failure modes and apply the specific fix rather than regenerating and hoping.
  • Know what you actually own, platform by platform, before you hand an image to a paying client.
$19.99one-off, no subscription

VAT or sales tax added at checkout where it applies

Get instant access — $19.99

Also in the Complete Library — all 10 for $79 (save $101.92).

  • Instant download
  • PDF, works on any device
  • Pay by card or PayPal
  • No subscription
Front cover of Mastering AI Image Generation 2026, a 139-page PDF
Look inside ↓

Who this is for

Buy it if

  • You generate images already and your hit rate is roughly one in ten. Chapter 21 is a diagnostic table for exactly that.
  • You need repeatability — the same product, the same character, the same look, across a set.
  • You are delivering images to clients or putting them on products, and the licensing question has started to worry you.
  • You want all three current platforms in one book rather than three sets of scattered tutorials.

Do not buy it if

  • You want one perfect image, once. The free tier of any of these tools plus persistence will get you there more cheaply.
  • You are looking for design theory — composition, colour, typography as disciplines. This teaches you to drive the tools, not to art-direct.
  • You only use one platform and never expect to change. Roughly half the book is platform-specific, so half of it will not apply.
  • You want video generation. It is not covered at all.

After reading it

What you will be able to do

What is inside

Pages
139
Chapters
26
Parts
7
Prompts
120
Appendices
5
PART I · FOUNDATIONS4
  1. 01

    The 2026 Landscape — what changed, what died, what to use when

  2. 02

    How Image Models Read Your Prompt — attention, weighting and why word order matters

  3. 03

    The Seven-Slot Prompt Formula — the structure behind every good prompt

  4. 04

    Set up — all three platforms running in twenty minutes

PART II · MIDJOURNEY5
  1. 05

    Interface, Plans and GPU Hours — how not to burn your subscription in a week

  2. 06

    The Parameter Reference — every flag that actually changes your output

  3. 07

    Style Control — srefs, moodboards and personalization profiles

  4. 08

    Consistency — the same character, product and world across a whole campaign

  5. 09

    The Edit or — inpaint, outpaint, retexture, upscale

PART III · CHATGPT IMAGES2.04
  1. 10

    What Changed — the reasoning image model and why it behaves differently

  2. 11

    Conversational Edit ing — the iteration loop nobody else has

  3. 12

    Text , Logos and Layout — winning the hardest category in image generation

  4. 13

    Batches and Fidelity — eight coherent images from one prompt

PART IV · NANO BANANA4
  1. 14

    Four Models, One Name Lite, 2, Pro, and which to open

  2. 15

    Multi-Image Fusion — combining up to fourteen references

  3. 16

    Infographics and 4K Work — the category Google quietly owns

  4. 17

    Restoration and Retouching — real photo work, not just generation

PART V · CRAFT5
  1. 18

    Speaking Photography — lens, light, film, frame

  2. 19

    Speaking Illustration — medium, line, palette, era

  3. 20

    Aspect Ratios and Platform Specs — the reference table you will use weekly

  4. 21

    Diagnostics — thirty failure modes and the exact fix for each

  5. 22

    Cross-Tool Workflows — generate here, edit there, finish somewhere else

PART VI · BUSINESS4
  1. 23

    Licensing and Ownership — what you actually own, platform by platform

  2. 24

    Watermarks, Disclosure and Hard Lines SynthID, C2PA and account-ending mistakes

  3. 25

    Ten Ways People Make Money With This — with the workflow for each

  4. 26

    Cost Control — a working studio for under fifty dollars a month

PART VII · THE PROMPT LIBRARY1
  1. —

    120 ready-t o-use prompts across twelve production categories

APPENDICES5
  1. A

    Midjourney parameter cheat sheet

  2. B

    Aspect ratio and platform specification table

  3. C

    Model selection decision tree

  4. D

    Glossary

  5. E

    What to re-check when a model updates

Straight from the book

Two prompts, printed exactly as they appear inside

P-056 · Product announcementMastering AI Image Generation 2026
[PRODUCT] centred against a dramatic [COLOUR] gradient background,
dramatic rim lighting outlining the product silhouette, subtle
floating position with a soft shadow beneath, high contrast,
premium and cinematic, generous space above and below the product
for text, shot straight on at 85mm, 1:1. Do not include any text.

Note how much of it is camera direction rather than description. The lens length and the instruction to leave space for text are what make the output usable in a layout.

P-062 · Story / Reel backgroundMastering AI Image Generation 2026
[SCENE DESCRIPTION] composed vertically so all important visual
content sits within the middle 60% of the frame — the top 20% and
bottom 20% should be visually quiet and uncluttered to accommodate
interface overlays. [LIGHTING]. 35mm. 9:16 vertical.

Written around the interface rather than the image: the top and bottom fifths are kept deliberately empty because that is where the platform puts its own chrome.

Sample pages

Three unedited pages from the book.

139

pages in total

26 chapters, all of it written like the three pages beside this one.

Get instant access

The prompt library

120 numbered prompts

Format and delivery

Format
PDF
Pages
139
File size
1.0 MB
Text
Searchable and selectable, not scanned images
Reads on
Phone, tablet, laptop, e-reader — anything that opens a PDF
Printing
Unrestricted
DRM
None. The file is not locked to a device or an account
Delivery
Download link immediately after payment
Access
Permanent — the file is yours once downloaded
Edition
2026
Structure
26 chapters across 7 parts, ending in a 120-prompt library, plus 5 appendices

Why $19.99

Image generation is the one place in this catalogue where the cost of not knowing is measured in credits. Every failed generation is money, and a one-in-ten hit rate is the normal starting point — the diagnostics table alone is aimed squarely at that ratio. Twenty dollars against a subscription you are already paying for, plus 26 chapters and a 120-prompt library, is priced on generations saved rather than skills promised. Nothing here suggests you will earn from the images; Chapter 25 describes how people do, and stops short of implying you will.

One payment, no subscription, and the file is yours to keep. The full delivery spec is above, and the refund policy says exactly when the money comes back.

Refunds

Refunds are handled by Payhip, where the payment is taken. Digital downloads are delivered instantly and cannot be returned, so completing checkout waives the statutory 14-day right of withdrawal. Refunds are still given for a file that will not open, a duplicate charge, the wrong product, or a product that materially differs from its description here — within 14 days, by email.

This wording matches the full refund policy exactly. If the two ever disagree, the policy page is the one that governs — and the difference is what causes chargebacks, so they are kept identical.

Before you buy

Questions about this book

I'm not a designer and have no visual eye. Is this book wasted on me?
It is aimed at you more than at designers. The book is about repeatability, not taste — the seven-slot formula, the parameter reference and the diagnostics table are all mechanical, and none of them require you to know why an image looks good. What it will not do is give you judgement about which of four decent options to ship. If you need a thumbnail that matches last week's thumbnail, that is a mechanical problem and this is a mechanical book.
Do I have to pay for all three platforms?
No. The four platform chapters are independent, so you can read the one you subscribe to and skip the others. Chapter 26 is specifically about running a working setup for under fifty dollars a month, and Chapter 5 covers not burning a Midjourney subscription in the first week.
Can I sell what I generate, or use it for a client?
That is Chapter 23 and it is one of the reasons the book runs to 26 chapters. It goes platform by platform on what you actually own, because the answer genuinely differs between them and depends on your plan. Chapter 24 covers watermarking, SynthID, C2PA and disclosure. Neither chapter is legal advice, and both say so.
These tools change every few months. How does a book keep up?
Appendix E exists for that and is called "What to re-check when a model updates" — a checklist of the specific things that move. The formula, the vocabulary and the diagnostics are model-independent; the parameter tables are the part that ages, and they are isolated in their own chapters so you know exactly what to re-verify.
What is the 120-prompt library organised by?
Twelve production categories, numbered so you can find one again — product shots, social formats, backgrounds, comparisons and so on. Both prompts above come from it, printed exactly as they appear, including the aspect ratios.
Does it cover the free tiers, or only paid?
Both, with the limits named. Nano Banana has a usable free path and the book says where it stops; Midjourney does not, and the book is direct about that rather than pretending otherwise.
How much of it is Midjourney?
Five chapters of twenty-six. ChatGPT Images 2.0 gets four, Nano Banana four, and the remaining thirteen are craft, business and the prompt library — the parts that apply whichever platform you end up on.
Is this affiliated with Midjourney, OpenAI or Google?
No, with none of them. Platform names identify the software each chapter describes and nothing more.

Read next

Twenty-six chapters on getting the same character, product and look every time, across Midjourney, ChatGPT Images 2.0 and Nano Banana.

Get instant access — $19.99$19.99 · 139-page PDF · instant download