Eric W. Johnson Books

Hammond

By Eric W. Johnson, Catherine H. Tijerino

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Tapping state government information sources

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"Each state government produces large varieties and quantities of useful information that are largely unknown outside their state of origin. This book leads the public to the most useful informatio...

Educacion Sexual Para Adolescentes

By Eric W. Johnson

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Salvador Diaz Miron

By Francisco Monterde

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How to Color

By Eric W. Johnson

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Love and Sex in Plain Language

By Russ Hoover, Eric Warner Johnson

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Tapping State Government Information Sources

By J. Louise Malcomb, Eric W. Johnson, Daniel C. Barkley, Lori L. Smith, Daniel D. Cornwall

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Love and Sex in Plain Language

By Eric W. Johnson

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How to Achieve Competence in English A Quick Reference Handbook

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How to achieve competence in English

By Eric W. 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.