Judy Markey Books

You only get married for the first time once

By Judy Markey

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You Only Get Married for the F

By Judy Markey

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The Daddy Clock

By Judy Markey

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What happens when a woman who wants her freedom meets a man who wants to love, honor, cherish...and change diapers?  What happens when two right-for-each-other people meet at the wrong-fo...

When her ex-husband, whom she has not heard from in fifteen years, offers her financial freedom, with a high price, Chicago radio host Kate Lerner accepts his bizarre proposal and hides the truth f...

How to survive your high school reunion-- and other mid-life crises

By Judy Markey

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The Daddy Clock Bookcassette r Edition

By Judy Markey

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Daddy Clock The

By Judy Markey

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Daddy Clock The

By Judy Markey

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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.