I have a Kobo that I use to read the non-DRM ebooks I'm able to acquire. One such source is downloads from the Kobo store, when publishers make the non-DRM file available.
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> At the Publisher's request, this title is being sold without Digital Rights Management Software (DRM) applied.
Not sure how universal that is, but I've seen similar language on several other books.
Wait, OMW book 7? Wtf? Thank you even more! That'll be up next after my Hyperion re-read (RIP Dan)