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Title Registration for your ISBNs is now available on MyIdentifiers. [ Click here to view & manage your ISBNs ]

Bowker Identifier Services is the only official U.S. ISBN Agency.

We provide you with the products and services to make your books more discoverable. Get your ISBNs today!

Please follow the links below for details on how to:

An ISBN will make your book more discoverable so readers can find and purchase your book more easily. The ISBN is the global standard for identifying titles, allowing for more efficient marketing by booksellers worldwide.

Purchase a Single ISBN

Click here to purchase through our partner Publisher Services

Purchase Multiple ISBNs
 Please follow these directions

  1. If you have not already registered as a Publisher, please do so now. [Click Here]
  2. Download & fill out the ISBN Order form. [Click Here]
  3. Fax the form back to us using the fax number in the form.

NOTE: Please allow up to one week for processing, as we are experiencing higher than normal order volumes. Thank you for your patience.

Generate Barcodes

get barcodes for your ISBNs
Getting barcodes for your print books will make them easier to sell because they facilitate automated sales and inventory tracking — a requirement for most large retailers. Bowker barcodes meet the latest publishing industry requirements.

Register Your Copyright

The CopyrightsNow app helps authors and publishers protect their creative works from piracy and illegal use with just three easy steps, simplifying the copyright application process and eliminating complex forms and procedures.