Charles E. Mercer Books

Murray Hill

By Charles E. Mercer

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Murray Hill

By Chales Mercer

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The Battlestar Galactica storybook

By Charles E. Mercer

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Humans, having been driven by the Cylons from the last surviving colonies in the universe and hoping to find Earth, their last chance for help, must battle the destructive Cylons again from their c...

Pacific

By Charles E. Mercer

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BATTLESTAR GALACTICA STORYBOOK.

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The Way of Alexander The Great Adventures in History

By Charles Mercer

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The Ways of Alexander the Great

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Breve historia de Alejandro Magno

By Charles Mercer, Charles E. Mercer

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Breve historia de Alejandro Magno

By Alejandra Suarez Sanchez De Leon, Charles E. Mercer

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Breve historia de Alejandro Magno

By Charles E. Mercer, Grupo Ros

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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.