Mack Thomas Books

Complete Bible Discussion Guide

By Mack Thomas

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Biblia de Mi Primer Paso La

By Zondervan Publishing Company

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Pilgrim s Progress

By Mack Thomas

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The pilgrim Christian undertakes the dangerous journey to the Celestial City, experiencing physical and spiritual obstacles along the way.

Tale of Two Princes

By Eckart Zur Nieden

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Lost and Found Board Book One Opposites Lost and Found Parables

By Mack Thomas

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Through the eyes of Jesus

By Thomas Mack

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A life of Jesus based on the Bible and told from the perspective of Christ.

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.