Craig R. Koester Books

Revelation

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"In this landmark commentary, Craig R. Koester offers a comprehensive look at a powerful and controversial early Christian text, the book of Revelation. The author provides richly textured descript...

Character Studies in the Fourth Gospel

By Ruben Zimmerman, Craig R. Koester, D. Francois Tolmie, Steven A. Hunt

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Revelation and the End of All Things

By Craig R. Koester

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The Apocalypse

By Craig R. Koester

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Revelation

By Craig R. Koester

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Revelation

By Craig R. Koester

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Symbolism in the Fourth Gospel

By Craig R. Koester

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Word of Life

By Craig R. Koester

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Revelation and the End of All Things

By Craig R. Koester

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Revelation and the End of All Things

By Craig R. Koester

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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.