Johnson Joan Books

The cult movement

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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...

America's war on drugs

By Johnson Joan

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Examines American efforts to thwart the attempts of drug suppliers to smuggle illegal substances into the country.

Teen prostitution

By Johnson Joan

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Discusses the nature and causes of teen prostitution.

Teen prostitution

By Johnson Joan

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Discusses the nature and causes of teen prostitution.

Children of welfare

By Johnson Joan

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Describes what it means to grow up with parents on welfare, the history of the welfare system, and its future.

The healing art of sports massage

By Johnson Joan

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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.