Matthias Haldemann Books

Richard Gerstl gilt als der erste österreichische Expressionist, der noch vor Egon Schiele und Oskar Kokoschka ein Œuvre voller stilistischer Neuerungen schuf. Seine Werke brachen in ihrer abstrahi...

Richard Gerstl

By Matthias Haldemann, Hans Peter Wipplinger

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Kandinsky

By Matthias Haldemann

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Wassily Kandinsky (1866-1944) hat die Entwicklung der modernen Malerei wie kaum ein anderer geprägt. Sein Leben zwischen Ost und West, in den Wirren von Revolutionen und Weltkriegen, war ein Leben...

Ilya Kabakov Installations

By Robert Storr, Matthias Haldemann, Emilia Kabakov

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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.