... has this person never checked out an ebook from their local library? That Adobe DRM is the industry state-of-the-art.
Libby app makes it trivially easy. * not affiliated in any way, just a happy user. https://meet.libbyapp.com/
https://help.libbyapp.com/6059.htm
> If you have an Adobe-compatible ereader (like a NOOK or Kobo), you can download Libby ebooks on a computer, then use Adobe Digital Editions (ADE) to transfer them to your device:
> 1) Open libbyapp.com on a computer and go to Shelf > Loans.
> 2) Select Send To A Device.
> 3) Click select your device, then choose Adobe-compatible ereader. Note: If you've sent books to Kindle in the past, you may need to click your Kindle device at the top of the screen instead of select your device.
> 4) Select Download DRM File.
> 5) Open the file in ADE and transfer the book to your ereader. (Learn how using this article from OverDrive Help.)
trivially easy