Library and Archives Canada provides ISBNs free of charge to Canadian citizens. Cost Comparison: Single vs. Blocks (US Prices)
Buying International Standard Book Number (ISBN) blocks is a strategic move for authors and publishers who plan to release multiple book formats or future titles. Because every distinct format of a book—such as paperback, hardcover, and audiobook—requires its own unique ISBN, purchasing in bulk significantly reduces the cost per unit. buying isbn blocks
Bowker (MyIdentifiers.com) is the only official agency. Library and Archives Canada provides ISBNs free of
Nielsen Book Services handles registration. and audiobook—requires its own unique ISBN
Official pricing from Bowker rewards bulk purchasing, with the price per ISBN dropping by over 75% when moving from a single unit to a block of 10. Buy ISBNs | Bowker | Identifier Services