Annette Johansen Books

Cafe Dolly

By Annette Johansen, Margrit Franziska Brehm, Anne Gregersen, Annemette Fogh

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In the year of his 150th birthday, the Danish artist J.F. Willumsen (1863-1958) is on his way to becoming an artist's artist. Recognized for his merits as a modernist in the 1890s, his late works h...

Fra litteraturforlaeg til film

By Annette Johansen

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Zorn besoger Skagen

By Anders Zorn

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I Bolgen Bla

By Mette Bogh Jensen, J.F. Willumsens Museum Staff, Annette Johansen

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I Bolgen Bla

By Mette Bogh Jensen, Annette Johansen

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Den nogne guldalder

By Annette Johansen

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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.