Glossary of Bookbinding Terms

General Terminology
Acid Free: Binding materials manufactured to be chemically neutral
Deckle: A rough or irregular edge on paper
Finishing: The lettering and decorating of covers
Foxing: Small brown spots that may appear over time on paper
1/4, 1/2, full binding: The amount of material covering the spine onto the front and back boards determines the cover style. A cover consisting of the spine material carried a short distance onto the boards and a contrasting material completing the cover is called a 1/4 binding. Covering the corners with the spine material makes it a 1/2 binding. A full binding is a cover made of one piece of material.
Paper Mending: Repairing tears in paper with various materials including Japanese tissue.

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