Frederick Eckhard Books

Issues Before the Thirty Sixth General Assembly of the United States

By Frederick Eckhard

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Issues Before the 38th General Assembly of the United Nations

By Frederick Eckhard

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Kofi Annan

By Frederick Eckhard

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Kofi Annan

By Frederick Eckhard

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Qui était vraiment Kofi Annan, secrétaire général de l'ONU pendant dix ans, de début 1997 à fin 2006 ? Adulé durant ses premières années de mandat, au point de se voir gratifier du prix Nobel de la...

Issues Before the Thirty Fourth U. N. General Assembly

By Donald J. Puchala, Frederick Eckhard

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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.