Glenn E. Perry Books

The History of Egypt

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"For all the significance that Egypt's history possesses, it's role in civilization has been inconsistent. In ancient times it occupied a sustained and elevated place as a world leader, while after...

The Middle East: Fourteen Islamic Centuries

By Glenn E. Perry

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Emphasizing the modern period (i.e., post 1774), author Glenn E. Perry carefully balances coverage of Egypt, the Fertile Crescent, the Arabian Peninsula, Turkey, and Iran, and uses a world-historic...

Middle East: Fourteen Islamic Centuries

By Glenn E. Perry

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The Middle East: Fourteen Islamic Centuries

By Glenn E. Perry

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Second Childhood

By Glenn Perry, Morris Gleitzman

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Palestine

By Glenn E. Perry

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The Palestine question

By Glenn E. Perry

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History of Egypt

By Glenn E. Perry

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History of Egypt

By Glenn E. Perry

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International Relations of the Contemporary Middle East

By Glenn E. Perry, Tareq Y. Ismael

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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.