Nancy L. Hoepli Books

West Africa today.

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African, American, British and French correspondents, scholars, students and leaders discuss the first ten years of the independence of West Africa. Their articles deal with the political and econo...

The Common Market

By Nancy L. Hoepli

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A compilation of reprinted articles discussing the history of the Common Market, its strengths and weaknesses, its relations with the United States, and its future.

Great Decisions 86 Great Decisions

By Nancy L. Hoepli

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Aftermath of colonialism

By Nancy L. Hoepli

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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.