squares
The marginal difference between the edges of the
text block and the edges of the case or boards of
the book. Normally, squares vary both in
proportion to the size of the book and according
to taste. They are described relatively from the
least extensive, or pinhead, to the most
extensive, bold, with neat, ordinary, and full
being intermediate sizes. Books with projecting
index tabs will have very extensive squares on the
fore edge. Cf: CUT
FLUSH ; YAPP
STYLE . See also: STILTED . (97 , 173 , 306 )