David Guzik Books

"Here's an accessible reference that aids personal Bible study or Sunday school preparation -- the Layman's Bible Commentary, reference for the everyday Christian, not the scholar! This 12-volume s...

Layman s Bible Commentary Vol. 3

By David Guzik, Tremper Longman, Robert Deffinbaugh

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John

By David Guzik

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Firmes en la Gracia

By Brenda Varela, Dalila Rodriguez, David Guzik

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Ich Steh Auf Gnade

By Christina Sullau, Tanja Dohling, David Guzik, Nils Schuler, Marika Varnholt

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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.