ISBN (identifier)

Quick Facts: Who was ISBN (identifier)?

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ISBN (identifier)

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A unique numeric commercial identifier for books, distinguishing editions and formats.

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2Day Chrono-Wiki & Primary Historical Archives

Origins & Early Life

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. An ISBN cannot be used as a generic identifier for a work or title. A different ISBN is assigned to each separate edition and variation of a publication, but not to a simple reprinting of an existing item. For example, an e-book, a paperback and a hardcover edition of the same book must each have a different ISBN, but an unchanged reprint of the hardcover edition keeps the same ISBN.

Pivotal Works & Achievements

The ISBN is ten digits long if assigned before 2007, and thirteen digits long if assigned on or after 1 January 2007. The method of assigning an ISBN is nation-specific and varies between countries, often depending on how large the publishing industry is within a country. The first version of the ISBN identification format was devised in 1967, based upon the 9-digit Standard Book Numbering (SBN) created in 1966. The 10-digit ISBN format was developed by the International Organization for Standardization (ISO) and was published in 1970 as international standard ISO 2108 (any 9-digit SBN can be converted to a 10-digit ISBN by prefixing it with a zero). Privately published books sometimes appear without an ISBN.

Enduring Legacy & Impact

The International ISBN Agency sometimes assigns ISBNs to such books on its own initiative. A separate identifier code of a similar kind, the International Standard Serial Number (ISSN), identifies periodical publications such as magazines and newspapers. The International Standard Music Number (ISMN) covers musical scores. The Standard Book Number (SBN) is a commercial system using nine-digit code numbers to identify books. In 1965, British bookseller and stationers WHSmith announced plans to implement a standard numbering system for its books.

Chronological Milestones & Life Events

1. 1965: 1965 Milestone — In 1965, British bookseller and stationers WHSmith announced plans to implement a standard numbering system for its books.
2. 1967: 1967 Milestone — The first version of the ISBN identification format was devised in 1967, based upon the 9-digit Standard Book Numbering (SBN) created in 1966.
3. 1970: 1970 Milestone — The 10-digit ISBN format was developed by the International Organization for Standardization (ISO) and was published in 1970 as international standard ISO 2108 (any 9-digit SBN can be converted to a 10-digit ISBN by prefixing it with a zero).
4. 2007: 2007 Milestone — The ISBN is ten digits long if assigned before 2007, and thirteen digits long if assigned on or after 1 January 2007.

Historical Fact-Check Quiz: ISBN (identifier)

True or False: “The ISBN was originally designed to identify every single reprint of a book edition.”

Answer (FALSE ❌): An unchanged reprint of an existing item keeps the same ISBN; a different ISBN is required for variations like e-book versus paperback.

Contemporary Figures & Related Historical Timelines

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• Albert Ellis — Historical peer (Died in 2007) (2007): Pioneering figure in psychotherapy, founder of Rational Emotive Behavior Therapy (REBT)
• Akshay Kumar — Historical peer (Born in 1967) (1967): Veteran Indian actor and producer, celebrated for action roles and prolific career.
• Albert Luthuli — Historical peer (Died in 1967) (1967): Pioneering anti-apartheid activist and leader of the ANC in South Africa.
• A. O. Scott — Historical peer (Born in 1966) (1966): American journalist and cultural critic specializing in film and literary analysis.
• A. R. Rahman — Historical peer (Born in 1966) (1966): Visionary Indian composer celebrated for blending global sounds with cinematic emotion.
• A. H. M. Jones — Historical peer (Died in 1970) (1970): Pioneering British historian of classical antiquity, specializing in the later Roman Empire.
• Abraham Maslow — Historical peer (Died in 1970) (1970): Pioneering American psychologist known for the Hierarchy of Needs and self-actualization theory.
• Aamir Khan — Historical peer (Born in 1965) (1965): Iconic Indian actor and filmmaker, known as "Mr. Perfectionist" in Hindi cinema.
• Aaron Kwok — Historical peer (Born in 1965) (1965): Iconic Hong Kong performer, celebrated singer, dancer, and actor.

Frequently Asked Questions about ISBN (identifier)