Adding an additional watermark to already watermarked ePub file
Hello,
we are a public library and we want to explore the idea of "lending" ebooks. We want to stay far from DRM limited eBooks, but we find acceptable the watermarked one. To be sure the books we lend are not published on the Internet, we'd like to add another watermark with the name of the user who borrow the eBook. Is there a way to do this? Adding another watermark to an already watermarked ePub file? In the end the eBook will have the watermark from the "book seller" and the watermark of my public library along with the name of the person who borrow the ebook.
Thank you
Leandro
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