If you don’t already have an Author Central / Amazon Author Page, go to https://authorcentral.amazon.com/ and click Join Now to create an account, claim your books, and to enter an autobiography, profile picture, and other details to help readers find you and your books on Amazon.
If you already have an Author Central account, go to https://authorcentral.amazon.com/ and login.
To add an event, click the Author Page tab and scroll down to click the “add event” link.
Complete the event information with details about the event description, venue (location), one of the books you’ll have at the event, and the date and time. Click “Save Event” to add it to your Author Page details. (See image below for example.)
For this specific event, the Local Authors Day at the Jacksonville, AL Public Library (August 22, 2015), I entered the following description:
Local Authors Day
10am – 3pm
Meet the authors, buy autographed books, enjoy author talks & refreshments while you browse.
As Seen on Amazon
Once your event is saved, it will appear on your Amazon Author Page (For example: http://amazon.com/author/sherrysnider), the event will display below the list of your books.