You should not make generalizations based on your experiences with
DRM-protected library ebooks that don't allow copying and then say ADE
won't copy ebooks to a PRS-350. That's not true. I have a PRS-350 and I
am able to transfer ebooks to it via ADE. The difference is DRM
protection, which you've overlooked in your previous postings. THAT is
preventing your copying an ebook via ADE to any ereader.