Martha S. Hewson Books

Stonewall Jackson

By Martha S. Hewson

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Stonewall Jackson

By Martha S. Hewson

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The Electoral College Your Government How It Works

By Martha S. Hewson

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John Quincy Adams

By Martha S. Hewson

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A biography of John Quincy Adams, the only former president to serve in the United States House of Representatives, whose antislavery position led him to argue the Amistad case before the Supreme C...

John Quincy Adams

By Martha S. Hewson

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Great American Presidents

By Alan Allport, Martha S. Hewson, Susan Muaddi Darraj

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Stonewall Jackson

By Schlesinger Arthur M. Jr., Martha S. Hewson

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Stonewall Jackson

By Martha S. Hewson

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John Quincy Adams

By Walter Cronkite, Martha S. Hewson

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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.