Tom Grace Books

Ex-Navy Seal Nolan Kilkenny is called to Rome on the pretence of examining the Vatican library. But on arrival, he discovers his real mission, one that will ultimately involve China, the Mafia, and...

Spyder web

By Tom Grace

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"Code name: Spyder. A device which is sucking a U.S. corporation of its most important information. National Security insiders know how dangerous Spyder can be...and that someone has to stop it. Th...

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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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