Jennifer McMahon Books

The night sister

By Jennifer McMahon

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The night sister

By Jennifer McMahon

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The winter people

By Jennifer McMahon

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Burntown

By Jennifer McMahon

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"Ashford, Vermont, might look like your typical sleepy New England college town, but to the shadowy residents who live among the remains of its abandoned mills and factories, it's known as "Burntow...

Island of Lost Girls

By Jennifer McMahon

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Dismantled

By Jennifer McMahon

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Island Of Lost Girls

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Girl In The Woods

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Promise Not to Tell

By Jennifer McMahon

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Promise Not to Tell

By Jennifer McMahon

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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.