Mary McElroy Books

Voie Commerciale

By R. Stephenson, Mary McElroy

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Sociological Dynamics of Sport and Exercise

By Mary McElroy, James E. Bryant, James S. Bryant

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Fantail journeys

By Mary McElroy

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Molly leaves the safety of her home to live on a college ship for a semester. She finds herself in a tight-knit group of students who traverse three continents. The students learn how to cope with...

Resistance to Exercise

By Mary Ph.D. McElroy

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"Resistance to Exercise: A Social Analysis of Inactivity broadens and expands current notions about individual responsibility for lifestyle changes. The book will help health and fitness program ad...

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.