Table of Contents
Why Most Books Don’t Get Discovered on Amazon
You can publish a great book on Amazon KDP… and still get zero visibility.
No clicks. No sales. No reviews.
And most authors assume:
“I just need ads.”
But that’s not always the problem.
A lot of the time, your book simply isn’t being found in search.
That’s where understanding how to make your book more discoverable with keywords becomes critical.
If your keywords aren’t set up properly, Amazon doesn’t know:
-
who your book is for
-
what searches to show it for
-
where it belongs in the marketplace
So even if your book is good — it stays invisible.
What Amazon KDP Keywords Actually Do
Keywords on Amazon are how the platform connects your book to search queries.
When someone types:
-
“romance books enemies to lovers”
-
“low content journals for anxiety”
-
“how to publish a book for free”
Amazon scans:
-
your title
-
your subtitle
-
your backend keyword fields
-
your book description (to some extent)
Then decides whether your book is relevant.
If your keywords are weak or too generic, you don’t show up.
If your keywords are targeted and specific, you start getting impressions.
This is the foundation of Amazon KDP keyword research — and it directly impacts whether your book gets discovered or ignored.
Where Your Keywords Matter Most (And Where They Don’t)
A lot of authors get this wrong.
Keywords matter in:
-
Title
-
Subtitle
-
Backend keyword slots (your “7 keyword boxes” in KDP)
Keywords matter LESS in:
-
Author name
-
Random repetition in description
-
Keyword stuffing
Amazon is smarter than that now.
Focus on relevance + structure, not repetition.
How to Find KDP Keywords Manually (Free Methods That Work)
You don’t need tools to get started.
In fact, some of the best keyword ideas come from manual research.
1. Start with Amazon Search
Go to Amazon and begin typing your topic.
Example:
-
“self publishing…”
-
“gratitude journal…”
-
“how to get book reviews…”
Amazon will automatically suggest searches.
These are real searches people are typing
If Amazon suggests it → it has demand.
2. Expand Variations
Don’t stop at one phrase.
Try:
-
adding words before or after
-
changing wording slightly
-
testing different angles
Example:
-
“romance books enemies to lovers”
-
“enemies to lovers slow burn”
-
“enemies to lovers fantasy romance”
You’re building a list of real keyword variations
3. Look at the Results Page
Once you search something:
-
Look at book titles
-
Look at subtitles
-
Look at recurring phrases
If multiple top books use similar wording, that’s a signal.
Using Amazon Autocomplete to Find Real Search Terms
This is one of the easiest and most powerful methods.
Start typing:
“how to publish…”
You might see:
-
how to publish a book
-
how to publish a book on Amazon
-
how to publish a book for free
These are actual user queries.
Pro tip:
Go through the alphabet:
-
“how to publish a book a…”
-
“how to publish a book b…”
You’ll uncover:
-
long-tail keywords
-
less competitive phrases
-
highly targeted searches
How to Analyse Competitor Books for Keyword Ideas
This is where most people leave opportunity on the table.
Look at top-ranking books in your niche
For each one, study:
-
Title
-
Subtitle
-
Cover messaging
-
Categories
-
Description
What you’re looking for:
-
repeated phrases
-
positioning angles
-
audience targeting
Important:
Do NOT copy
Instead:
Take inspiration and improve
Example:
If competitors say:
“for beginners”
You might refine to:
“for first-time self-publishing authors”
How to Use Tools Like Publisher Rocket (And When to Use Them)
Tools like Publisher Rocket can speed things up a lot.
They help you:
-
find keyword ideas
-
estimate search volume
-
see competition levels
When tools are useful:
-
validating ideas
-
scaling research
-
finding keywords you missed manually
When they’re NOT enough:
-
understanding real search behaviour
-
judging intent
-
avoiding bad keywords
Best approach:
Use tools after manual research — not instead of it.
What NOT to Put in Your KDP Keywords (Avoid This)
This is extremely important.
You can actually hurt your account if you get this wrong.
❌ Avoid:
-
other authors’ names
-
book titles you don’t own
-
misleading keywords
-
irrelevant trending terms
-
repeated words already in your title
Why?
Amazon explicitly warns against:
-
misleading metadata
-
keyword manipulation
Worst case:
-
your book gets suppressed
-
your account gets flagged
How to Structure Your 7 Backend Keyword Slots Properly
This is where most authors waste space.
❌ Wrong approach:
-
single words
-
repeating phrases
-
filling all slots with similar keywords
✅ Correct approach:
Use long-tail keyword phrases
Example:
Instead of:
-
“romance”
-
“love”
Use:
-
“enemies to lovers romance novel”
-
“slow burn romance book for adults”
Key rule:
Think like a search query, not a label
Also:
-
Don’t repeat words already in your title
-
Don’t waste space
-
Combine words naturally
Beyond Keywords: Other Factors That Affect Discoverability
Keywords are important — but they’re not everything.
Amazon also looks at:
Click-through rate (CTR)
Do people click your book when they see it?
Conversion rate
Do people actually buy it?
Reviews
Social proof plays a huge role
Cover design
If your cover doesn’t stand out → no clicks
Book description
Weak copy = lost sales
This is why many authors struggle:
They focus only on keywords, but ignore the rest.
Turning Visibility Into Results
Think of it like this:
-
Keywords → get your book in front of people
-
Cover + title → get the click
-
Reviews → get the sale
If one of these is missing, the whole system breaks.
A lot of authors say:
“I fixed my keywords… but nothing changed.”
In reality, they’ve only solved one part of the problem.
Where Bookblaze Fits In
Once your keywords are dialled in and your book starts getting impressions, the next step is giving readers a reason to trust your book.
That’s where reviews come in.
Instead of waiting months for reviews to come in naturally, Bookblaze helps self-published authors build social proof across books and audiobooks, including platforms like Amazon, Audible, Spotify, and Audiobooks.com.
If you’re also planning to publish your book in audio format, it’s worth reading our full guide on the best audiobook apps for listeners and self-publishers.
And if you’re ready to start building more reviews for your book, you can start your 14-day free trial on Bookblaze.
Final Thoughts
If you get this right, your book doesn’t just exist on Amazon…
it actually gets seen.
And once your book starts getting seen, everything else becomes easier:
-
more clicks
-
more readers
-
more momentum
But here’s the part a lot of authors overlook:
Visibility alone isn’t enough.
Even if your keywords are perfect and your book starts appearing in search results…
If you don’t have:
-
reviews
-
social proof
-
early traction
…people still won’t click or buy.
Your Next Step
Start by fixing your keywords using the strategies in this guide.
Then take a step back and ask:
If someone found my book today… would they trust it enough to buy?
If the answer is no, that’s your next bottleneck to solve.
Once you start thinking this way, everything changes.
Because success on Amazon KDP isn’t about one trick…
it’s about building a system that works together.