Amazon Kindle books gone, by resetting another device can I restore these even if there were Amazon stranger books?

I have a question.

I had bought many Amazon foreign books (not copy protected) and these on the Kindle.

I have a second Kindle that was not connected to my Amazon account, I reset it and now all my books have disappeared on my new Kindle. Unfortunately, the stepfather deleted the files from the laptop

Now the question do you know a way how to restore the books?

I find it strange that the files are deleted on the new, if you put the old back.

However, getting the files back is difficult, if not impossible.

On the old you will not find any residual data about the books.

Data might be left over on the new one.

You would have to connect it to a computer and look in the files.

If there are no remaining data available, you will only be left with an attempt to re-shop where you bought it.

Thank you, I'll see if there are any remaining data available. The books were also on the old Kindle could there then also be residual data or are deleted when resetting completely?

"On the old one, you will not find any residual data about the books."

Was already written in my answer.

When resetting a device, all data is completely destroyed.

Everything that was bought / ordered from Amazon or you ever sent there (each Kindlegerät has its own mail address to which you can send documents, nice for strange and incompatible stories because they are adjusted if necessary) or uploaded, is also in the online library and can be downloaded again.

On my Fire I change from device to cloud and then see all my tracks and can download again.

Thank you you got it back to recover the data with the help of a program.

Since the books were Amazonfremd, I assume that it was not sent via the mail address of Kindles.

But bought. And where they were bought, you can usually download them again.

That's what I suggested to him.

But he has already solved the problem.