This may be all over MR, but at the bottom of the screen -
"Digital Rights Information
Open EPUB eBook
Copy: allowed with no limitations
Print: allowed with no limitations"
You can even do a search for "Open EPUB eBook" (111 so far and 8 "Open EPUB PDF"s).
In this case the book is
47 Echo by Shawn Kupfer.
This is the first time that I've seen this in an ebook listing on the Free Library of Philadelphia's web site.