Welcome, I am Cory.
I am sorry you are having trouble with this.
Are you trying to read books a tablet now? If so, what kind? Android?
Please follow these steps:
On the new tablet, please connect to the WiFi
Download the Kindle application
Open the Kindle application
Enter the same email address and password ***** Kindle that you used on the last tablet
Once you sign in, you should be able to sync and download your books to this tablet
Please let me know if you have any other questions
Following up to see if you still need help with this.
Please reply and let me know.
If it is solved, please feel free to rate my answer with the stars at the top of the page.