Three of our most popular packages!

Buy 10 ISBNs

BEST SELLER - buy more and save!

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Barcode and ISBN package

Buy 1 Barcode and 10 ISBNs

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Advertise Your Book

Reach audiences in both print and digital formats

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Save time getting your book to market.
Thorpe-Bowker Identifier Services, the only official Australian ISBN Agency, is a one-stop-shop for all of your book marketing needs.

THORPE-Bowker Product Spotlight

Highlighting the features of our products and services for authors and self-publishers

ISBN (International Standard Book Number)

Purchasing an ISBN is a big step toward ensuring your book’s commercial success. An ISBN can help readers find and purchase your book because it identifies the book’s specific format, edition, and publisher. Also, the ISBN:

  • links to essential information about your book
  • enables more efficient marketing and distribution
  • is required by most retailers
  • is the global standard for book identification

Author Information Resources

Bowker is a source of practical information and guidance for authors who need help with those next steps after the book is written. Here are two valuable resources you can turn to:

The Hot Sheet Newsletter – delivered to subscribers via email every other Wednesday, the newsletter offers news you can use to help you keep up with the most important developments in the publishing industry

SelfPublishedAuthor.com – You've written your book. Now what? Here at Self Published Author.com, we offer tools, advice, and resources to help you navigate successfully through the publishing process.

Cover Design

Get a high-quality cover design for your ebook. We offer professional cover design services to help make your book a success. We offer original layouts, custom designs, and commissioned illustrations. Select standard or deluxe designs - the choice is yours. Either way, your cover design can help attract attention and boost sales.

  • Standard Cover Design and Creation – includes original treatment based on a template from one of our designers, 1 design revision, and 1 graphic element
  • Deluxe Cover Design and Creation – includes complete custom treatment from one of our designers, 3 design revisions, and 3 graphic elements

Save time getting your book to market

Thorpe-Bowker Identifier Services, the only official Australian ISBN Agency, is a one-stop-shop for all of your book marketing needs

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