Derek R. Brown Books

The God of this age

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How did Paul depict Satan as an apocalyptic opponent? Derek R. Brown demonstrates the significance of Paul's references to Satan and demonstrates the history of Satan in the Bible and nature of Sa...

Faithlife Illustrated Study Bible

By Michael S. Heiser, Barry John D., Douglas Mangum, Derek R. Brown

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NIV Faithlife Study Bible Imitation Leather Gray Black

By Faithlife

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Faithlife Illustrated Study Bible

By Michael S. Heiser, Barry John D., Douglas Mangum, Derek R. Brown

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NIV Faithlife Study Bible Imitation Leather Gray Blue Indexed

By Faithlife

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NIV Faithlife Study Bible Bonded Leather Black

By Faithlife

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NIV Faithlife Study Bible Bonded Leather Black Indexed

By Faithlife, Zondervan Publishing Company

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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.