[bloodorange]

If you are willing to strip the DRM and convert the files to epub or PDF, you can read them on the Remarkable 2. I do this as I prefer to read on the Remarkable 2 (compared to reading on the Kindle). It's just convenient to have all the technical material, notes and the leisure reading in one place.

[pidg]

I do this too. As well as ebooks, I have all my household manuals on it (washing machine, gas boiler, etc.) plus manuals for various devices - so much better than either keeping the paper ones, or keeping PDFs on the computer, as you can annotate them too!