Ah ok ... I see that the dash in the ISBN-13 was causing the problem. I've fixed that up so that the dash doesn't cause the page to reload without providing details on the failure.
For your books, you need to use the Amazon ASIN, rather than the ISBN-13. Look the book up on Amazon.Com and find the ASIN. I'm including a screenshot here to show you what that looks like:
So using the ASIN of B09W4LTJKX works successfully to add this book.
Copyright 2000 - 2025 21 x 20 Media All rights reserved. This site is property of 21 x 20 Media
All Writing.Com images are copyrighted and may not be copied / modified in any way. All other brand names & trademarks are owned by their respective companies.
Generated in 0.11 seconds at 4:14pm on May 21, 2025 via server WEBX1.