E. Glenn Wagner Books

Praying with and for Your Wife

By E. Glenn Wagner

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God

By E. Glenn Wagner

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Escape from Church Inc

By E. Glenn Wagner

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SOLID Marriage

By E. Glenn Wagner

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Leading with Purpose and Passion: A Faith-Centered Plan for Influencing Others

By E. Glenn Wagner, Dan Southerland

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Why do so many of God’s followers seem to prefer their boxed-in religion over God? Listen to their rhetoric and you might wonder how a Supreme Being could be so narrow and small, so angry and unatt...

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.