Beating stone. Stone or iron bed on which books are beaten.

Beveled boards. Heavy boards with beveled edges, sometimes used for the sides of very heavy or large books.

Binder. 1. Case used for the temporary protection of pamphlets and periodicals. Can be detached and used on succeeding numbers. 2. One whose business it is to bind books.

Binder's title. Title lettered on the back of a book. Frequently differs from that on the title page.

Binder's board. See Boards.

Binding slip. Sheet of paper containing instructions to the binder inserted in each book sent to the bindery.

Blanks. Books with blank leaves of good paper used for keeping records which are more or less permanent. The binding of such books is a special trade.

Bleed. When books are trimmed so that part of the print is cut off they are said to bleed.

Blind-tooled. Books on which impressions have been made by tools without the use of gilt are blind-tooled. Sometimes called "Antique" tooling.

Block. The solid metal stamp used for impressing a design on a book cover.