Gary Heavin Books

Curves

By Gary Heavin, Gary And Colman Carol Heavin

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The power to amaze in 30 minutes a day, 3 days a week.Two million women have discovered Gary Heavin's secret to permanent weight loss at more than six thousand Curves fitness and weight-loss center...

Permanent Results Without Permanent Dieting

By Gary Heavin

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Curves Weight Loss Method

By Gary Heavin

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Curves

By Gary Heavin, Carol Colman

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Curves

By Gary Heavin

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Curves

By Gary Heavin

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Curves

By Gary Heavin

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Curves

By Gary Heavin, Carol Colman

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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.