I'm in the same boat as kmoser. I don't like narrow text lines either.
In my experience, books are mostly OK, as long as they don't split up the text in columns. Magazines and newspapers often do have columns that are much narrower than I would like.
In my experience, books are mostly OK, as long as they don't split up the text in columns. Magazines and newspapers often do have columns that are much narrower than I would like.