Four ways to protect your page flipping book
Nobody would like to see his data is stolen by others online or in other ways. So you also don't want to see your page flipping books that you have spent so much time to create is easily taken by others. Why not add a password for your flipping book? Or set an unique watermark? Is there any other way to protect your flipping book well? You will learn different ways to protect your page flipping book well. Any one of the ways could keep your flipping book in safety.

