: If the book is protected, your feature must integrate with DRM providers (like Adobe Digital Editions ) to ensure only authorized users can open the file.
What is an .EPUB file and how do I open and view one? - Adobe Download InsSBry Out epub
To allow users to download an EPUB, your system must handle the backend conversion or storage of the file. : If the book is protected, your feature
: Ensure you have the rights to distribute the file. Downloading pirated copies from unauthorized sites is unsafe and illegal. : If the book is protected