J. L. Matthews Books

Cesar Chavez

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Profiles Cesar Chavez, founder of the United Farm Workers, focusing on his advocacy for Hispanics and farm workers and his nonviolent fight for justice through strikes and demonstrations.

Choose the Right Long Term Care

By Joseph L. Matthews, Joseph Matthews

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After the divorce

By Joseph L Matthews

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Social Security Medicare and Pensions

By Dorothy M. Berman, Joseph Matthews

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Sourcebook for older Americans

By J. L. Matthews

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Sourcebook for Older Americans

By Joseph Mathews, Joseph L. Matthews

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Long Term Care

By Joseph Matthews

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Social Security, Medicare & Government Pensions: Get The Most Out Of Your Retirement & Medical Benefits

By J. L. Matthews, Joseph Matthews, Dorothy B Matthews, Matthews, Joseph L.

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Your complete guide to Social Security retirement and medical benefits. Everyone wants the highest possible retirement and pension income, not to mention the best medical coverage. Find out what yo...

Long Term Care

By Joseph L. Matthews

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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.