Attaching the final sheet of a signature of a book to the binding.
a sheet of paper folded in half to make a four-page signature
a single piece of paper of sufficient weight or strength to support the book
Paper that attaches the inside pages of a casebound book to its cover.
A bindery term referring to a sheet that attaches the inside pages of a case bound book to its cover. Also referred to as pastedown or end papers.