Ellen Barrett Books

Zodiaction

By Barrie Dolnick, Ellen Barrett

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The 28 days lighter diet

By Ellen Barrett

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"Most women who are dieting do not realize that PMS and weight gain are connected--and that to really lose weight, increase energy, and feel better they need to consider their monthly cycle. Now Th...

Sexy Yoga

By Ellen Barrett

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Weights for Weight Loss

By Ellen Barrett

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Baja California 1535 1956

By Ellen Barrett

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Zodiaction

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Millions of us turn to horoscopes for guidance in our personal lives—but what about our physical lives? Now, for the first time, a fitness maverick and an acclaimed astrologer combine their experti...

Sexy Yog

By Ellen Barrett

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28 Days Lighter Diet

By Ellen Barrett, Kate Hanley

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Sexy Yoga

By Ellen Barrett

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Weights for Weight Loss

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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.