Folio - a book (or manuscript) consisting of huge sheets of paper folded in the middle for making two leaves or four web pages; "the first folio of Shakespeare's performs" Paper made from Wooden pulp turned common within the early 20th century, because it was more cost-effective than linen or https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw/channels