Jennifer McMahon Books

Promise Not to Tell

By Jennifer McMahon

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Girl in the woods

By Jennifer McMahon

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"Close friends Henry, Tess, Winnie and Suz spend the summer after graduation in a remote cabin in the Vermont woods where they play elaborate, sometimes dangerous, games. But everything changes whe...

Winter People

By Jennifer McMahon

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My Darling Girl

By Jennifer McMahon

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My Darling Girl

By Jennifer McMahon

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My Darling Girl

By Jennifer McMahon

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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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Dismantled

By Jennifer McMahon

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Bohermore

By Jennifer Rose McMahon

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[8 unnumbered] pages, 240 pages, [5 unnumbered] pages : 22 cm

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.