That is problem number 1 of e-books: I would guess that well over half of my personal library is so obscure that it will never make it to e-book format, regardless of copyright restrictions
That's unlikely for anything written in the PC era. There is not a significant cost involved in converting a book to e-book format, as books are composed in electronic form to begin with.
you are the media you consume.
I wonder why the various National Libraries aren't asking for those electronic forms to find their way to their hard disks... Un roi sans divertissement est un homme plein de misères
The Leading Edge, by Goro Tamai? Published in 1999.