Joel Harper Books

Mind Your Body CD: 4 Weeks to a Leaner, Healthier Life

By Joel Harper

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Mind Your Body Low Price CD

By Mehmet C. Oz M.D., Joel Harper

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Sea change

By Joel Harper

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"An enjoyable day at the beach turns into a passion for art and marine conservation. With a swell comes a wave and a Sea Change!"--Publisher's description

Mind Your Body: 4 Weeks to a Leaner, Healthier Life

By Joel Harper

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"Foreword by Dr. Mehmet OzA renowned personal trainer to Olympic athletes, movie stars, Broadway actors, and supermodels, draws on twenty years of experience to create a powerful three-step fitness...

Mind Your Body

By Joel Harper

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Mind your body

By Joel Harper

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Flute

By Joel Harper, Andrew Williams

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Mind Your Body: 4 Weeks to a Leaner, Healthier Life

By Joel Harper

Average: 0.00, 0 Ratings

Foreword by Dr. Mehmet OzA renowned personal trainer to Olympic athletes, movie stars, Broadway actors, and supermodels, draws on twenty years of experience to create a powerful three-step fitness...

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.