![]() ![]() ![]() ISSNĪn ISSN is a standardized international code which allows the identification of a serial publication.Īn ISSN consists of eight digits in two groups of four, separated by a hyphen. The twelfth digit is a check digit and usually appears at the bottom right of the symbol.Įnter all digits found on the item (e.g., 008817006925).The next ten digits encoded in the symbol are below the bars.The first digit is the Number System Character (NSC) which appears on the left side of the symbol outside of the bars.It sold more than one million copies internationally and was on bestseller lists for more. 1 Director of the Spencer Public Library for more than 20 years, Myron is best known for her book Dewey: The Small-Town Library Cat Who Touched the World, written with Bret Witter. Hyphens or spaces usually separate the elements of the Vicki Myron (born 1947) is an American author and librarian. The UPC appears as a barcode symbol with 12 digits printed below it. ![]() The Universal Product Code (UPC) is a barcode symbol that is used to track trade items in stores (e.g., audio and video products). ![]() Enter an OCLC number without leading zeros. Dewey, an abandoned kitten from the heartland, transforms a sleepy library, inspires a classic American town, and captures the hearts of animal lovers everywhere. OCLC assigns a unique number to each bibliographic record input into WorldCat. Thirteen-digit ISBNs must begin with either 978 or 979. An ISBN is a unique number assigned to an item by its publisher. ![]()
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