Carolyn Johnson Books

Using Internet Primary Sources to Teach Critical Thinking Skills in the Sciences (Libraries Unlimited Professional Guides in School Librarianship)

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This reference provides science teachers and school library media specialists with over 150 Web sites containing primary source documents in all areas of the sciences.

How to Blend a Family

By Johnson Carolyn

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Understanding Alcoholism: Answers to Questions People Ask

By Johnson Carolyn

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Forever a Parent: Relating to Your Adult Children

By Johnson Carolyn

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Playmate Bears

By Johnson Carolyn, Johnson Wilma

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Compendium of State Laws on Insurance Topics

By Carolyn Johnson

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Marketing the library

By Carolyn Johnson

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Light Forms

By Carolyn Johnson

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Using Internet Primary Sources to Teach Critical Thinking Skills in the Sciences

By Carolyn 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.