Joan Johnson Books

Tennis

By Joan D. Johnson

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The cult movement

By Johnson Joan

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Traces the history and analyzes the appeal and the dangers of cults, or religious groups requiring blind obedience to a living leader, which have gradually grown in strength and popularity during...

Tennis Physical Education Series

By Joan Johnson

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Tennis

By Joan Johnson, Joan D. Johnson, Paul Xanthos

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Princely Chandos

By Johnson Joan, Joan Johnson

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The General

By Whitmore George, Joan Johnson

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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.