dos à dos binding
A form of bookbinding in which two books, usually
small and frequently of a complementary nature,
e.g., a Psalter and New Testament, are bound back
to back so that they open in opposite directions,
one of the three boards being the common lower
board of both volumes. The spines and fore edges
are opposed. Their upper boards are usually either
embroidered or covered with gold-tooled leather.
However the dos à dos binding is picked up,
it opens at the beginning of one of the two books.
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