John H. Marks Books

The Epic of Gilgamesh

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A great king, strong as the stars in Heaven. Enkidu, a wild and mighty hero, is created by the gods to challenge the arrogant King Gilgamesh. But instead of killing each other, the two become frien...

Genesis (Old Testament Library)

By Gerhard Von Rad

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Genesis a commentary.

By Gerhard Von Rad

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OTL Genesis Old Testament Library

By Gerhard Von Rad

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Love & death in the ancient Near East

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Love and Death in the Ancient Near East

By John H. Marks

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Visions of one world

By John H. Marks

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Visions of one world

By John H. Marks

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Genesis

By Gerhard Von Rad

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Gilgamesh

By John H. Marks, Herbert Mason

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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.