Melvin Blackaby Books

The first Christians “turned the world upside down” (Acts 17:6) shaking the gates of hell even in the face of severe persecution. The result: People all around “were filled with wonder and amazemen...

Mark

By Tom Blackaby, Norman Blackaby, Melvin Blackaby, Henry T. Blackaby, Richard Blackaby

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Luke

By Tom Blackaby, Norman Blackaby, Melvin Blackaby, Henry T. Blackaby, Richard Blackaby

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John

By Tom Blackaby, Norman Blackaby, Melvin Blackaby, Henry T. Blackaby, Richard Blackaby

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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.