What's the title for front cover?
Provide other text or information going to be at the back.
Ps. Mention specific size, barcodes, publishers if any.

I need to create the barcode, and I do not know the size yet.

Hi! Please give, please, more technical information.
Title of the book
Author
Cover size and spine thickness
Hardcover or softcover
Text to put on the back cover

Hello! Please stop giving one star! Just remove it! You're destroying my work for months!!
If you can't remove it, please add more and then eliminatw it! Thank you!

Sorry, I did not know that it affects you. I removed it.