Blog
KDP Categories Help: A Strategic Guide to Getting Your Book Discovered
When you publish your book on Amazon Kindle Direct Publishing (KDP), you are asked to choose “categories” for your book. This simple-looking step is actually one of the most powerful marketing tools you have. Choosing the right KDP categories is a crucial strategic decision that can dramatically increase your book’s visibility, help it reach the right readers, and even give you a shot at a coveted “#1 Best Seller” tag.
But the category selection process is not always intuitive. With thousands of options, many authors feel overwhelmed and simply pick the broadest ones. This is a huge mistake. This guide will provide the help you need to understand and choose your KDP categories like a professional.
Key Takeaways & Summary
Categories are Your Book’s “Aisles”: KDP categories are the virtual shelves and aisles of the Amazon bookstore. Placing your book in the right one helps your target readers find it.
The Goal is Visibility and “Bestseller” Status: The primary strategy is to find categories that are both highly relevant to your book and have a low level of competition, making it easier for your book to rank highly and earn a bestseller tag.
You Can Choose Up to 10 Categories: While the KDP dashboard only lets you select three, you can add up to seven more by contacting KDP support directly.
Research is Non-Negotiable: Choosing the best categories requires research into what your competitors are doing and the overall landscape of the Amazon store.
Why Your KDP Category Choice is So Important
Choosing your categories is not just an administrative task; it’s a core marketing function.
It Helps Readers Find Your Book: When readers browse the Kindle store, they often do so by category. Being in the right “aisle” puts your book directly in the path of your ideal customer.
It’s Your Path to a “Best Seller” Tag: The orange “#1 Best Seller” tag is the most powerful piece of social proof on Amazon. This tag is awarded to the #1 book in a specific category. It is far easier to become a bestseller in a small, niche category (e.g., “Historical Scandinavian Fiction”) than in a massive, competitive one (e.g., “Mystery, Thriller & Suspense”).
It Tells Amazon’s Algorithm About Your Book: Your category choice is a powerful signal that helps the Amazon algorithm understand what your book is about, which in turn helps it recommend your book to the right readers.
How to Find the Best Categories for Your Book
Finding the perfect categories requires a bit of detective work. Our Amazon KDP publishing services include this research as a key part of our launch strategy.
Step 1: Analyze Your Competitors
The best place to start is by looking at the books that are similar to yours and are already selling well.
Go to the Amazon page for a competing book.
Scroll down to the “Product details” section.
Look for the “Amazon Best Sellers Rank” line. This will list the categories that book is currently ranking in. Click on these category links to see how competitive they are.
Step 2: Drill Down into Niche Categories
The key to a successful category strategy is to be as specific as possible.
Don’t just choose “Romance.” Drill down to “Romance > Paranormal > Angels.”
Don’t just choose “Self-Help.” Drill down to “Self-Help > Stress Management.”
The more niche the category, the fewer sales you will need to rank highly within it.
Step 3: Check the Competition Level
Once you have a list of potential categories, you need to see how hard it would be to become a bestseller.
Click into a category. Look at the #1 book. How high is its overall “Amazon Best Sellers Rank” (BSR)? A lower number means more sales. If the #1 book has a BSR of 50,000, it’s a much easier category to dominate than one where the #1 book has a BSR of 100. There are tools that can help with this, but manual research is also very effective.
How to Add Your 10 Categories
On the KDP Dashboard: During your book setup, you will be able to browse and select up to three categories.
Contacting KDP Support for More: To add more, you must publish your book first. Then, from your KDP account, go to the “Help” section. You can send a message to KDP support with a simple request: “Please add my book (provide the ASIN) to the following categories:” and then list the full “path” for each of the additional seven categories you have researched.
Choosing the right categories is a free, high-impact marketing tactic that can give your book a significant advantage in the crowded Amazon marketplace.
Short FAQ
Q: Should I choose popular, broad categories or small, niche ones?
A: The best strategy is a mix of both. Have a few broader, relevant categories for general visibility, but the majority of your 10 slots should be filled with smaller, more specific niche categories where you have a realistic chance of ranking highly and earning a bestseller tag.
Q: Can I change my categories after my book is published?
A: Yes. You can change your three main categories on the KDP dashboard at any time, and you can contact KDP support to change your additional categories as well. It’s a good idea to review your categories periodically to see if there are better opportunities.
Q: How do I find the full category “path”?
A: The easiest way is to find a book in that category and look at its “Product details” section. You must provide KDP support with the full, complete string, for example: Kindle Store > Kindle eBooks > Teen & Young Adult > Literature & Fiction > Social & Family Issues > Friendship. Visit Bridge Publisher
