Harriet Geller Books

Afro Asian Culture Studies

By Erwin H. Rosenfeld, Harriet Geller, Erwin M. Rosenfeld

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Global studies

By Erwin M. Rosenfeld

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Global studies

By Erwin M. Rosenfeld

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Afro-Asian culture studies

By Erwin M. Rosenfeld

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El Medio Oriente y Africa del Norte

By Erwin M. Rosenfeld

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Introduces the geography, history, economics, politics, people, and culture of an area blended from the contributions of Arabs, Jews, Moslems, and Christians.

El Sureste de Asia

By Erwin M. Rosenfeld

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Introduces Southeast Asia by examining its people and language, topography, climate, agriculture, religion, and history.

Japon: tierra del origen del sol

By Erwin M. Rosenfeld

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Introduces the geography, history, economics, government, industries, people, and culture of Japan.

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.