Gerdien Jonker Books

Eine Wellenlange zu Gott: Der Verband der Islamischen Kulturzentren in Europa

By Gerdien Jonker

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Narrating Islam

By Gerdien Jonker, Shiraz Thobani

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The topography of remembrance

By Gerdien Jonker

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The Topography of Remembrance deals with different forms of remembrance and collective memory in Mesopotamia, discussing both its public (national) and private (family) aspects. The Introduction of...

In Fremder Erde

By Gerhard Hopp, Gerdien Jonker

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Im Spiegelkabinett

By Gerdien Jonker

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Wellenlange Zu Gott

By Gerdien Jonker

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100 Tage Lockdown

By Gerdien Jonker

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Politics of Visibility

By Valerie Amiraux, Gerdien Jonker

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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.