Craig R. Koester Books

Revelation: A New Translation with Introduction and Commentary

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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...

Revelation

By Craig R. Koester

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Hebrews: A New Translation With Introduction and Commentary

By Craig Koester

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"One of early Christianity's most carefully crafted sermons, Hebrews addresses listeners who have experienced the elation of conversion and the heat of hostility, but who now must confront the form...

Hebrews

By Craig Koester

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Symbolism in the fourth Gospel

By Craig R. Koester

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Symbolism in the fourth Gospel

By Craig R. Koester

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Revelation and the End of All Things

By Craig R. Koester

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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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A beginner's guide to reading the Bible

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.