Carl Koch Books

A Christian morality course designed to be part of the religion curriculum within a Catholic high school. The course focuses on character development.

Growing in Christian Morality

By Carl Koch, Barbara Allaire, Julia Ahlers

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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.

Carl Koch Books

Growing in Christian Morality High School Textbooks

Growing in Christian Morality High School Textbooks

Womenpsalms

Open Hearts Helping Hands

Creating a Christian Lifestyle Teaching Manual

Love

I Know Things Now

Growing in Christian Morality

Growing in Christian Morality

Friends

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?