1. A collection of written, printed, illustrated, or blank leaves of paper, parchment (or vellum), papyrus, or other flexible or semi-flexible material, strung or bound together. Today, in its most familiar form, a book is considered to be one or more folded and gathered sheets of paper, fastened together at one edge, and trimmed on one or more of the remaining three edges to form a continuous series of uniform leaves. Specifically, a book is a collection of single sheets or folded leaves, bearing printing or writing, that have been folded, stitched, sewn, or secured by adhesive along the binding edge, generally rounded and backed, and usually secured between boards that have been covered in cloth, paper, or like material, or which have been bound in leather. See: CODEX . 2. A collection of tablets of wood, ivory, or other rigid material, containing writing, drawings, etc., and sometimes covered with blank covers of the same or different materials. 3. A continuous roll of parchment, or similar material, or a book and job folding machine strip of parchment creased between columns and folded in the manner of a CONCERTINA FOLD , and containing writing, etc. See also: SCROLL (1) .
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