David A. Shannon Books

Twentieth century America

By David A. Shannon

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Twentieth century America

By David A. Shannon

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20th century America

By David A. Shannon

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The Great Depression

By R. G. Grant

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Considers the causes of the depression - Reveals the experiences both of individuals who were affected by poverty and unemployment, and of people who remained in work - Shows how the leadership of...

The Socialist Party of America

By David A. Shannon

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The Great Depression The Eyewitness Accounts of American History Series S 10

By David A. Shannon

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The decline of American Communism

By David A. Shannon

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The Great Depression

By David A. Shannon

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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.