Isabel Minhs Martins Books

Don t cross the line

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The guard always follows the general's orders without question. This time, the order is that everyone must KEEP OUT. The right-hand page of this book must be kept blank for the general. As the crow...

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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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