Gertrud Mueller Nelson Books

A WEDDING WITH SPIRIT has been written for the bride and groom who are searching for something more for their wedding—not more as in bigger, grander, or more lavish, but more as in more meaningful,...

Bread for the Day 2019

By Dennis Bushkofsky, Gertrud Mueller Nelson

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Bread for the Day 2021

By Christina Saj, Dennis Bushkofsky, Gertrud Mueller Nelson

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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.