International Standard Book Number

The International Standard Book Number (ISBN) is a numeric commercial book identifier that is intended to be unique. Publishers purchase or receive ISBNs from an affiliate of the International ISBN Agency.

WH Smith plc, trading as WHSmith (also written WH Smith and formerly as W. H. Smith & Son), is a British travel retailer, with headquarters in London, England, which operates a chain of railway station, airport, port, hospital and motorway service station shops selling books, stationery, magazines, newspapers, entertainment products and confectionery.

thumb|A thirteen-digit ISBN, with the 978 at the beginning representing the List of GS1 country codes|Unique Country Code of Bookland "Bookland" is a fictitious country that exists solely in the European Article Number (EAN) barcode system, where it serves as the unique prefix of published books regardless of their country of origin. The codes "978" and later "979" were designated as Bookland prefixes in the 1980s to allow the EAN namespace to catalogue books by International Standard Book Numbers (ISBN) rather than requiring a separate or redundant EAN numbering system. Bookland does not repr

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