Thanks for the migraine awaying wishes.
Yes, single sheets of .... Well, whatever, not necessarily paper, getting joined together into book structures. There's a gorgeous example by an Australian artist of a Plexiglass paged book, (can't find a link right now, stupid useless Google these days...)
And then there's the whole question of "What is a book, anyway?" Because ... That's a big one. (It's pretty much anything you say it is, is the answer, as far as I can tell.)
Anyway, yes, far more interesting right now than sewing single bed sheets, although I have got a pile of mending to do, too ... Nah. No rush on that, I reckon!