Stephan Koja Books

Claude Monet the Magician of Colou Adventures in Art

By Stephan Koja, Katja Miksovsky

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Gustav Klimt

By Stephan Koja, Klimt Gustav

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Stillleben

By Stephan Koja, Staatliche Kunstsammlungen Dresden Staff, Konstanze Kruger

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Still Life

By Stephan Koja, Konstanze Kruger

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Looking at Monet

By Law Rebecca Translator, Stephan Koja, Agnes Husslein Arco, Nick Somers, McInnes Robert Translator

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Looking at Monet assembles works by the French painter Claude Monet (1840-1926) and presents them together with selected paintings and photographs of Austrian artists active during the same period...

Antikenimitationen Aus Stein und Bronze

By Stephan Koja, Sascha Kansteiner

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Der Farbzauberer. Claude Monet.

By Stephan Koja, Katja Koja

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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.