Have a comfortable writing pen. Be familiar with your book’s layout. In advance, select the page or pages where you will sign.
For the short story anthologies, I put a short message with my name and the date on the title page, then signed my name on the first page of my story. Also, I placed a bookmark on the page where my story began.
Be sure to thank the people who organized the event and let them know you appreciate their time and effort. To both the organizers and the people who buy your books, you are a representative of the writing community. Let them know that authors are good people. Hopefully, that will encourage them not only to buy your work, but also other writers’ books, too.
How to Do a Book Signing