Theo Deutinger Books

Skulpturen in Marl

By Irene Horn, Theo Deutinger, Georg Elben, Isabel Hufschmidt

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Ruhrmoderne 1967 2017

By Timo Panzer, Theo Deutinger, Philipp Oswalt

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Nirgends sonst in Deutschland gibt es eine solche Dichte grossartiger und gleichzeitig fataler Bauten der Nachkriegsmoderne wie im nördlichen Ruhrgebiet: neugeschaffene Städte und Stadtzentren, exp...

Handbook of Tyranny

By Theo Deutinger

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Handbook of Tyranny

By Theo Deutinger

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Joy and Fear

By Theo Deutinger

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Heidi Specker and Theo Deutinger

By Theo Deutinger, Heidi Specker, Christoph Keller

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Skulpturen in Marl

By Irene Horn, Isabel Hufschmidt, Theo Deutinger, Georg Elben

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Ultimate Atlas

By Theo Deutinger

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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.