Viggo Johansen Books

Adventskalender Weihnachtsabend

By Viggo Johansen

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Edderkoppen

By Viggo Johansen

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Skagensmaleren Viggo Johansen

By Viggo Johansen

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Viggo Johansen er en skagensmaler, der er rigt repræsenteret på Skagens Museum og i Anchers Hus. Imidlertid er hans livsværk ikke lige så velbelyst, som det er tilfældet med andre af de store skage...

Weihnachtsabend illustriert

By John Leech, Viggo Johansen, Edward Aubrey Moriarty

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Cantico Di Natale illustrato

By John Leech, Viggo Johansen, Federigo Verdinois

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Cantico de Navidad ilustrado

By John Leech, Viggo Johansen, Luis Barthe

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Uma loa Do Natal ilustrado

By John Leech, Viggo Johansen, Antonio Rodrigues Da Cruz Coutinho

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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.