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Book Identification, Discovery & Protection

ISBN Numbers  from Bowker ISBN US Agency

bowker isbn

A simple & cost effective method for having a non-discounted/authentic ISBN assigned to your work. This program is geared for self-publishers who are selling directly to consumers, online via their own website or, or in-person (seminars, church, etc.)

ISBN delivered in
just 30 minutes!

bowker isbn

This program empowers self publishers to sell through distribution and retail channels. Through an agreement with Bowker ISBN Agency, we can expedite assignments, which enable self-publishers to register their company name to the ISBN.

ISBN delivered in
just 24 hours!


Package Comparison:
Unmatched Phone Support (Talk to a real person)
Author/Publisher retains ownership and copyright
Clients manage title data & cover art on our Client Portals
ISBN Assignment (Unique and linked to Global Databases)
No annual fees
Discounted Copyright Registration
Complimentary Standard Book Sales Page (Info)
Digital barcode included (barcode stickers also available)
Your company listed as the publisher - Expedited as US ISBN Agency Channel Partner
"Independent Publisher" is the listed publisher (information)
Quantity Discount (i.e. 10 ISBNs & barcodes are $28.00 each)
Delivery Time


Books and ebooks should be assigned unique ISBN numbers to be correctly identified. Every country has an ISBN Agency which administers their ISBN assignments and maintains the global standards. Bowker is the US ISBN agency  and has contracts with agents, such as Publisher Services, to assist self publishers. The internet is full of many deceptive companies posing as the ISBN agency ( or Publisher Services is the largest authorized agent and has been providing ISBN and barcodes to self publishers since 2004.


“Publisher Services was fast and easy for my ISBN number assignment and bar code delivery. Within 5 minutes after my ISBN bar code arrived my book cover was completed and ready for printing. Thanks for the great services.”

-Greg Corwin


“After spending way too much time with Bowker ISBN US Agency, I called Publisher Services and spoke to someone immediately. Brenda is the BEST!”

-Bill Collin


“Publisher Services couldn’t have made my purchase of an ISBN number any easier. I called first with a question and was met with friendly and competent help. I would recommend them without hesitation and will use their services again.”

– J. Michael Wittman, author of Pigs In The Pulpit.
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