Use thin, firm mending paper, preferably a tint to match paper of
the book.
Cut a strip one-half inch wide corresponding to the size and shape
of the tear, apply paste and trim even with the edge of the leaf.
When these processes are used, place books in press or under a weight,
until thoroughly dry.
There are gummed papers for this purpose but care should be taken in
their selection as some are likely to darken and discolor.