Gerry Boyle Books

Once burned

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"Life is briefly as it should be for Jack McMorrow: He and his wife Roxanne have retreated from the stress and danger of their day jobs to raise their daughter Sophie. But when development and arso...

Borderline

By Gerry Boyle

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During a stop in Maine a man gets off a Canada-bound bus and never returns. Journalist Jack McMorrow, who is researching the 1775 invasion of Canada by the U.S., breaks his assignment to investigat...

Straw man

By Gerry Boyle

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"It's business as usual for crime reporter Jack McMorrow, which means trouble has once again come to the quaint country town of Prosperity, Maine. A good deed goes bad when McMorrow and his buddies...

Potshot Jack McMorrow Mystery

By Gerry Boyle

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Port City shakedown

By Gerry Boyle

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Damaged goods

By Gerry Boyle

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Port City black white

By Gerry Boyle

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Port city black and white

By Gerry Boyle

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Controlling Public Spending in Times of Plenty

By Gerry Boyle

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Bloodline

By Gerry Boyle

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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.