Nadia Maria El Cheikh Books

The reign of al-Muqtadir (295-320/908-32) is a crucial and controversial epoch in the history of the Abbasid empire. Al-Muqtadir's regime has traditionally been depicted as one of decline, when the...

Crisis and Continuity at the Abbasid Court

By Hugh Kennedy, Maaike Van Berkel, Nadia Maria El Cheikh, Letizia Osti

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Byzantium in early Islamic Syria

By Nadia Maria El Cheikh, Shaun O Sullivan

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Byzantium in early Islamic Syria

By Nadia Maria El Cheikh, Shaun O Sullivan

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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.