If you’re self‑publishing a book, you’ve probably heard the word metadata tossed around by distributors, publishing platforms, and industry guides. It sounds technical, but metadata is simply structured information about your book. And it plays an important role in helping readers find your work.
Metadata is how retailers, libraries, and search engines understand what your book is, who it’s for, and where it belongs. Strong metadata increases visibility, improves search results, and ensures your book is presented consistently across all online appearances.
In other words, good metadata is an important part of marketing your book. It helps retailers understand your book, and it helps the right readers find it.
What Exactly Counts as Metadata?
Metadata includes all the details that describe your book, from the obvious to the minutiae. Here are some of the main items, but there are others:
- Title and subtitle
- Author name
- ISBNs (one per format)
- Book description (short and long versions)
- Keywords
- BISAC subject codes
- Trim size and page count
- Publication date
- Publisher/imprint
- Series information
- Author bio
- Pricing and distribution details
If you’ve ever filled out fields in KDP, IngramSpark, or Barnes & Noble Press, you’ve already entered metadata, whether you realized it or not.
There is quite a bit to keep track of, which is why I’ve created a free Book Metadata Checklist you can use to gather your book’s information in one place. The checklist also includes a few publishing and distribution details that aren’t technically metadata but are useful to keep with your book information.
Why Metadata Matters More Than You Think
- It determines how readers discover your book.
Retailers rely heavily on metadata to match search queries with relevant titles. Keywords, categories, and descriptions all influence whether your book appears when a reader searches for:
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- “cozy mystery set in Maine”
- “beginner sourdough cookbook”
- “inspirational memoir about caregiving”
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If your metadata is vague, incomplete, or inconsistent, your book becomes harder to find.
- It affects where your book is shelved — physically and digitally.
BISAC codes help retailers, distributors, and libraries classify your book. Retailers may also use their own category systems, so choosing accurate, specific subjects gives your book a better chance of reaching its intended audience.
- It ensures consistency across platforms.
Your book may appear on dozens of websites: Amazon, Kobo, Apple Books, Goodreads, library catalogs, wholesale databases, and more. Metadata keeps your book’s information aligned everywhere.
Keeping this information consistent across platforms helps prevent reader confusion and gives your book a more professional presence.
- It makes publishing smoother.
Every retailer requires metadata. Having it organized early in your production process makes uploading, distributing, and updating your book far easier.
The Most Important Metadata Elements to Get Right
Your Title and Subtitle
These are the most visible pieces of your book’s metadata, so clarity and genre alignment matter.
Your Keywords
Think like a reader. What would someone type into a search bar to find a book like yours? Consider genre, subject, themes, setting, tropes, audience, problems addressed, and other terms a reader might actually use. Effective keywords aren’t necessarily the words an author uses to describe the book; they’re the words a potential reader might use to find it.
Your BISAC Subject Codes
Choose at least one primary category and one or two supporting categories. Specificity is your friend.
Your Book Description
A strong book description should clearly communicate what your book is about while appealing to its intended reader. Since marketing uses and platforms vary, it can be helpful to prepare both a short and long version. Incorporate relevant keywords naturally rather than forcing them into the copy.
Your ISBNs
Different editions and formats generally require separate ISBNs. Requirements for ebooks and audiobooks can vary depending on the platform and distribution method. ISBNs help identify specific editions and formats or your book and connect them with the correct metadata throughout publishing and distribution channels.
When Should You Gather Your Metadata?
Earlier than you think.
Ideally, you should begin collecting metadata during the writing, editing, or formatting stages. Many authors wait until upload day, only to realize they’re missing important details or haven’t thought through their keywords or categories.
Metadata is easier and more effective when you build it intentionally.
Metadata…Not One and Done
Your metadata can—and sometimes should—change. Keywords, categories, descriptions, pricing, and other information may need to be reviewed after publication. If your book isn’t reaching the audience you expected, your metadata is one of the first places to look.
Helping the Right Readers Find Your Book
Metadata is not just a checklist. It’s a strategic marketing asset. When used well, it helps your book reach the readers who are already searching for it.
IMPORTANT: Keep your metadata as consistent as possible across all platforms and websites. When your book’s information lives in one organized place, uploading becomes a simple matter of copy and paste.
Use the free Book Metadata Checklist to gather your book information in one place. When it’s time to upload your book to KDP, IngramSpark, or another platform, you’ll have the information you need at your fingertips—rather than scrambling to make important decisions on upload day.
For more detailed information about metadata, read our article, Metadata – What to Gather and Why.