Don Gutteridge Books

The rebellion mysteries

By Don Gutteridge

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Bloody relations

By Don Gutteridge

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This is the fifth novel in the action-packed Marc Edwards mysteries, set during the rebellions of 1830s Upper Canada.

Death of a patriot

By Don Gutteridge

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In 1838, American militia is raiding across the border, intent on annexing the Canadian provinces by any means necessary. Following a battle along the border, a high-ranking American officer is wou...

Death of a Patriot

By Don Gutteridge

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Vital Secrets

By Don Gutteridge

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Dubious Allegiance

By Don Gutteridge

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Teaching English

By Don Gutteridge

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The Myth Alive

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Vital Secrets

By Don Gutteridge

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All in Good Time

By Don Gutteridge

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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.