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Illuminated

 A manuscript or book embellished with decorative elements that are typically hand-painted in rich colors and are sometimes gilded. The elements may include initial letters, designs, and/or pictorial scenes.

Illustrated Wraps

 See pictorial paper cover.

Illustration

 Refers to any picture, diagram, portrait, or non-text item in a work, which is used to clarify the text or for decoration.

Imitation Leather

 A coated fabric, rubber, or plastic composition, or absorbent paper, manufactured to resemble genuine leather. Also known as artificial leather.

Impression

 A set of copies of a work, printed at one time, from one setting of type. There may be several impressions of one edition. Also known as printing, press run, or print run.

Imprint

 Refers either to the place of publication or to the publisher. The imprint information is located either at the base of a title page or in a colophon at the back of a book. The term can also refer to a printed piece from a certain location or period of time; i.e., the university has a collection of 18th century Massachusetts imprints.

Incunabula

 A book printed, with moveable type, during the earliest period of printing. Commonly refers to books published before the year 1501.

Independent Publisher

 Someone who establishes a small press publishing house with the intention of self-publishing his/her own works; also can accept other authors' manuscripts for publication.

Index

 An alphabetical listing of names or topics, with the citation of page numbers, to facilitate quick reference to the contents of the work. The index is located at the back in a book. For series and journals, it is usually published after the volume is completed and is usually found in the last issue.

Inscribed Copy

 A book in which a written inscription has been made by the author, to a specified person.

Inscription By Previous Owner

 A written name, note, phrase, or comment made in a book. Unless indicated otherwise, the inscription is not written by the author.

Insect Damage

 Refers to the condition of a book; the book's binding or boards show visible hurt from insects. Examples could include paths where worms have burrowed and spotting caused by silverfish.

Instant Book

 a book rushed into print that deals with a timely topic or subject.

Isbn

 Literally, it stands for "International Standard Book Number." A worldwide identification system that is a required element in the book distribution industry.

Isbn

 International Standard Book Number- An identification number code uniquely assigned to every book and obtained from the R. R. Bowker company.

Issue

 A portion of the printing of an edition that has a different format, binding, or paper. An issue, of an edition, is done intentionally by the publisher and can contain various states.