Alan McDermott Books

Gray Justice

By Alan McDermott

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Gray Redemption

By Alan McDermott

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Gray justice

By Alan McDermott

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"When ex-soldier Tom Gray loses his wife and child to a career criminal, it seems life can't get much worse. But when the killer is let off with time served on remand, Gray knows there is something...

Gray resurrection

By Alan McDermott

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Gray redemption

By Alan McDermott

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"A year after he was declared dead and began living under an assumed name in the Philippines, Tom Gray wants his life back ... Along with two ex-army buddies and a woman he rescued from terrorists,...

Gray retribution

By Alan McDermott

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Tom Gray is enjoying time with his family after the birth of his daughter, now three months old, and just wants an easy home life. However, trouble has a way of finding him. While he is visiting hi...

Gray Vengeance

By Alan McDermott

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Gray Justice

By James Langton, Alan McDermott

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Seek and Destroy

By Alan McDermott

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Gray Salvation

By Alan McDermott

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

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.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.