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Metadata Guidelines

Since Kindle Direct Publishing (KDP) aims to provide the best possible tools for independent publishers and the best experience for readers, we have a zero tolerance policy for metadata meant to advertise, promote, or mislead. Please follow the guidelines below to ensure your book's metadata does not result in inaccurate or overwhelming search results, or impair readers' ability to make good buying decisions.

Book Titles

Titles are the most frequently used search attribute. The title field should contain only the actual title of your book as it appears on your book cover. Missing or erroneous title information may bury valid results among extraneous hits. Customers pay special attention to errors in titles and won't recognize the authenticity of your book if it has corrupted special characters, superfluous words, bad formatting, extra descriptive content, etc. Examples of items that are prohibited in the title field include but are not limited to:

• Unauthorized reference to other titles or authors
• Unauthorized reference to a trademarked term
• Reference to sales rank (e.g., "bestselling")
• Reference to advertisements or promotions (e.g., "free")

If you're publishing a companion book based on an original work, such as a summary, study guide or analysis, begin your title with the term "Summary," "Study Guide," or "Analysis." When designing your companion book cover, make sure the term "Summary," "Study Guide," or "Analysis" appears before the title of the original work in a font at least as large as the rest of the title.


If your book has a subtitle, enter it here. A subtitle is a subordinate title that contains additional information about the content of your book. Your title and subtitle together must be fewer than 200 characters. The subtitle will appear on your book's detail page, and must adhere to the same guidelines as your title.

Series Information

A series is a connected set of books. If your book is not part of a series, please leave this field blank. However, if your book is part of a series, enter the name of the series in the Series Name field. Identifying the name of the series helps customers find other Kindle books in the series.

The Series Name field will show up after your book's title on your detail page. Because titles are the most often used search attribute, your series name must adhere to the book title guidelines above.

When you enter a series name, enter only the name of the series. Do not include the series number or the title of the book. You'll enter the series number in the series number field as a single digit ("3" for the third book in a series, not "Book 3" or "Book 3 of 4").

Books in a series with the same series name can be linked to create a Kindle Series Bundle page in order of series numbers in the Kindle Store. This improves the discoverability of all books in your series by showing customers all of the books that make up the series in a single page.

If a book in your series does not appear in your Kindle Series Bundle page, check to make sure that you included the correct series name and that you entered a series number in the series number field. Books without a series number will not appear on the Kindle Series Bundle page. At this time, series pages are only available on Amazon.com, Amazon.co.uk, Amazon.de, and Amazon.co.jp.


Entice readers with a summary of the story and characters. Don't give away anything that adds to the suspense or surprise. Let readers know what makes your book interesting, and give them a sense of what kind of book it is. If you're stuck, check the back covers (or inner dust jacket flaps) of books you like for general ideas, or ask someone you trust how they describe your book when people ask about it.

Tip: Professional copywriting help is available.

We prohibit including any of the items below in your description:

• Pornographic, obscene, or offensive content.
• Phone numbers, physical mail addresses, email addresses, or website URLs.
• Availability, price, alternative ordering information (such as links to other websites for placing orders)
• Reviews, quotes or testimonials.
• Solicitations for customer reviews.
• Advertisements, watermarks on images or videos, or promotional material.
• Time-sensitive information (e.g., dates of promotional tours, seminars, lectures, etc.).
• Any keywords or tags.

Author (required)

Enter the name of your book's primary contributor here. You are free to use a pen name, as long as it does not impair customers' ability to make good buying decisions.

Contributors (optional)

Contributors are the people involved in creating your book. You can use these fields to identify additional authors, editors, illustrators, translators, and any others who you want to give credit to, as long as they worked on that specific book. You can enter multiple contributors as needed. You are required to enter all contributors of a public domain book.

Do not add anything other than contributors here; don't add search keywords or other information.

If you're publishing a companion book based on an original work, such as a summary, study guide or analysis, do not include the contributor(s) of the original work in the Contributors field.

For Author contributor fields only: If you entered multiple author names in the Author contributor fields, they will appear in the Kindle Store in the same sequence. All other contributor fields will appear in the Kindle Store below the author name(s).


Keywords can be a word or a phrase. For best results, we recommend using phrases that are 2-3 words long. To determine the right search keywords for your book, we suggest you think like a reader. What topics or genres are your readers searching for?

Avoid keywords that are not accurate descriptors of your book's central storyline, or keywords that are completely unrelated to what's in the book. Inaccurate keywords can lead to unexpected or confusing search results and provide a poor customer experience. We do not tolerate keywords that mislead or manipulate our customers. Examples of items that are prohibited as keywords include but are not limited to:

• Reference to other authors
• Reference to books by other authors
• Reference to sales rank (e.g., "bestselling")
• Reference to advertisements or promotions (e.g., "free")
• Reference to anything that is unrelated to your book's content


If you are the book's author or publisher, you may enter your name or the name of your publishing company here. KDP isn't a publisher, but a platform that supports authors and/or publishers like you. Only the names of the author or publisher of the book should be entered in the publisher field. Customers see the publisher name on the book's detail page. To avoid confusion for them, we do not permit the following in the publisher field:

• Reference to another publishing company, including any that previously published the book
• Reference to Amazon or Amazon-affiliated companies
• Reference to Kindle or Kindle Direct Publishing (KDP)
• Websites or domain names

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