Jochem Kahl Books

Die Zeit selbst lag nun tot darnieder

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Im Verlauf der deutsch-ägyptischen archäologischen und epigraphischen Feldarbeiten in Assiut/Mittelägypten wurden in den Jahren 2012-2014 im Grab des Regionalgouverneurs Djefai-Hapi I. (ca. 1900 v....

Mittelagyptische Grammatik fur Anfanger. Lernmaterialien

By Erhart Graefe, Jochem Kahl

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Ra is my Lord

By Jochem Kahl

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Ancien Asyut

By Jochem Kahl

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Das System der agyptischen Hieroglyphenschrift in der 0.-3. Dynastie

By Jochem Kahl

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Die Inschriften der 3. Dynastie

By Jochem Kahl

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Steh auf, gib Horus deine Hand

By Jochem Kahl

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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.