Backing up .epub files from iBooks

Hi,

 

I wonder if there is a way to back up your iBooks .epub files? They're not purchased eBooks, rather, they're fanfiction downloaded from fanwork archive like http://archiveofourown.org/ (if you check the works, there's a neat little link where you can download the .epub and open them in your iBooks). I've got some two hundred files saved in my current iPad. I'm planning on buying a new iPad soon.

 

Does this mean I'd lose all the .epub files I have in my current iPad?

 

Is there a way of creating a back-up of these files so I could download them into my new iPad?

 

Thanks in advance.

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