Morten Sondergaard Books

The image series in ISOLA is a precisely defined time capsule from the spring of 2020. On the evening of 11 March, Denmark was shut down. With one blow, we were all trapped and alone in the world....

Bier dor sovende

By Morten Sondergaard

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Ma sort dreng do ren

By Morten Sondergaard

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Jens Birkemose

By Morten Sondergaard

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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.