John A. Frochio Books

Hidden Histories Third Flatiron Anthologies Book 25
Hidden Histories Third Flatiron Anthologies
The Chronos Chronicles a time travel anthology
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If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

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