Louis E. Janus Books

Norsk nordmenn og Norge

By Louis E. Janus

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Arbeidshefte Til Norsk Nordmenn Og Norge

By Louis E. Janus

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Workbook for Norsk, nordmenn og Norge 1

By Louis E. Janus

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The Norsk, nordmenn og Norge series regards communication as the primary goal of language learning. This workbook provides meaningful structural practice in socially relevant and useful ways, combi...

Workbook for Norsk nordmenn og Norge 1

By Louis E. Janus

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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.