books in sheets
"Books" as received by the binder in flat
(unfolded) sheets, which must be folded, gathered
and collated, and which must then have any maps,
illustrations, etc., inserted before the actual
binding processes. The sheets are sometimes
identified by aSIGNATURE (1) , which
may be either a letter and/or number, and in the
case of sets may include the volume number,
printed at the tail margin (in the direction line)
of the first, and occasionally on succeeding pages
of each. Before the rise of edition binding most
publications were delivered to the bookseller in
sheets, to be bound to the customer's order.
"Books in sheets" today is almost exclusively a
term restricted to edition binding. (83 , 335 )
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