Norris J. Chumley Books

Mysteries of the Jesus Prayer: Experiencing the Presence of God and a Pilgrimage to the Heart of an Ancient Spirituality

Average: 0.00, 0 Ratings

An illustrated companion to the PBS documentary reveals the history, practices, and timeless wisdom of the holy men and women of the Orthodox Church who have built lives of humility and a constant...

FULL

By Norris J. Chumley

Average: 0.00, 0 Ratings

Mysteries of the Jesus Prayer

By Norris Chumley

Average: 0.00, 0 Ratings

Way of a Pilgrim

By Nina A. Toumanova, Norris J. Chumley

Average: 0.00, 0 Ratings

Way of a Pilgrim

By Nina A. Toumanova, Norris J. Chumley

Average: 0.00, 0 Ratings

Be Still and Know

By Norris J. Chumley

Average: 0.00, 0 Ratings

The Joy of Weight Loss

By Norris J. Chumley

Average: 0.00, 0 Ratings

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.