• Frequently Asked Questions About the ISBN
  No other source can assign legitimate ISBNs to US publishers. Bowker provides technical advice on uses of the ISBN standard to the publishing industry.  Also includes SAN and EAN Bookland Bar Code information.
  in Book Info > Book Info with assign book bowker info isbns legitimate publishers source
• US ISBN Agency - ISBN Assignments, SAN, Bookland EAN Bar Code Symbols, Technical Information and Advice
  No other source can assign legitimate ISBNs to US publishers. Bowker provides technical advice on uses of the ISBN standard to the publishing industry.  Also includes SAN and EAN Bookland Bar Code information.
  in Book Info with assign book bowker info isbns legitimate publishers source

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