Erik Steffensen Books

Colour, power and spirit are turned all the way up when the three painters J.F. Willumsen, Olivia Holm-Møller, and Asger Jorn meet in GL STRAND?s major summer exhibition, GNIST. The three artists h...

Jesper Christiansen

By Erik Steffensen

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Erik Steffensen

By Erik Steffensen

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Naturlige arsager

By Erik Steffensen, Jon Eirik Lundberg

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Sommerens udstilling om og med Asger Jorn har en særlig tyngde, eftersom det er den sidste i en serie på tre. Det begyndte med 'Kirkeby på Læsø' i 2016. I 2017 viste vi 'Man skar benene af de hvide...

100 vaerker

By Erik Steffensen

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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.