Michael C. Harris Books

Brandywine

By Michael C. Harris

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What Is the Declaration of Independence

By Michael C. Harris, Who HQ

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?Que es la Declaracion de Independencia?

By Jerry Hoare, Michael C. Harris, Who HQ, Yanitzia Canetti

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Step back in time to the birth of the United States and meet the real-life rebels who made this country free in this Spanish entry in the WHO HQ series! Retroceda en el tiempo al nacimiento de...

Que Es la Declaracion de Independencia What Is the Declaration of Independence

By Michael C. Harris

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Unusual Diseases

By Michael C. Harris

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Brandywine

By Michael C. Harris

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Brandywine

By Michael C. Harris

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Germantown

By Michael C. Harris

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Germantown

By Michael C. Harris

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Germantown

By Michael C. Harris

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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.