In the first section, you will need to complete the following fields:

Language – select the language your book is written in. 

A screenshot from the KDP publishing process. The heading is 'Language' and there is a selection box to choose the language the book is written in.

Title (and Subtitle, if applicable) – enter the exact title of your book as it appears on your book’s cover.

A screenshot from the KDP publishing process. The heading is 'Book Title' and there are spaces to fill in the Book Title and the Subtitle.

Note – The title must be consistent across all versions of your book (paperback, hardcover, and e-book). 
For more information, read Amazon’s Book Title guidelines: https://kdp.amazon.com/en_US/help/topic/GW7J4WEKBVU25YEC

Series (optional) – Here you can add your book to a series, if applicable.

A screenshot from the KDP publishing process. The heading is 'Series' and there is a button that says, 'Add to series'.

Edition Number – Leave this blank unless you are publishing a new edition of a previously-published book.

A screenshot from the KDP publishing process. The heading is 'Edition Number' and there is a space to fill in an optional edition number.

Author – Enter the name you want displayed. You can use your own name or a pen name. 

Contributors – Leave blank unless your book includes multiple authors or additional contributions, such as someone who wrote a foreword. This section differs slightly between e-book and traditional formats.

A screenshot from the KDP publishing process for an e-book. 

The first heading is 'Author' and there are spaces in which to fill in the Primary Author or Contributor. 

The second heading is 'Contributors' and there are spaces to fill in the names of any contributors.
Author and Contributors sections for e-book.
A screenshot from the KDP publishing process for a paperback or hardback. 

The first heading is 'Author' and there are spaces in which to fill in the Primary Author or Contributor. 

The second heading is 'Contributors' and there are spaces to fill in the names of any contributors.
Author and Contributors section for paperback / hardback.

For more information, read Amazon’s Author and Contributor Guidelines: https://kdp.amazon.com/en_US/help/topic/G2BWJN2BY98T5PV2