Jonathan Ellerby Books

Gentle Art of Spiritual Discernment

By Jonathan Ellerby, Pierre Pradervand

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Gentle Art of Spiritual Discernment

By Jonathan Ellerby, Pierre Pradervand

Average: 0.00, 0 Ratings

The Promise of Paradise

By Jonathan H. Ellerby Ph.D.

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The Promise of Paradise is an extraordinary little guidebook that will give you the tools, the attitude, and the diving board to make the greatest move of your life. This simple, clear, and often f...

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.