Achim Sommer Books

Miro

By Joan Miro, Patrick Blumel, Achim Sommer, Jurgen Pech

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Max Beckmann

By Achim Sommer, Max Beckmann

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Ich bin weiter an der Arbeit, male auch wieder, aber die Graphik wird mich nun wohl als ein sehr guter Freund nicht mehr verlassen.' (Max Beckmann an Reinhard Piper, April 1917)0Einer der großen Kü...

Der Akt in der Kunst des 20. Jahrhunderts

By Achim Sommer, Nils Ohlsen

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Antoni Tapies: Werke auf Papier 1943-2003

By Achim Sommer, A Sommer, Antoni Tapies, Andreas Franzke, A Franzke, N Ohlsen

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Oskar Kokoschka: Werke der Stiftung Oskar Kokoschka, Musee Jenisch, Vevey

By Achim Sommer, Oskar Kokoschka

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Bernd Schwarting - Malfluten

By Achim Sommer, Bernd Schwarting

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Curth Georg Becker, 1904-1972

By Achim Sommer

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Landschaften

By Achim Sommer, Rainer Fetting

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Das Alphabet des Grisha Bruskin

By Daniel Spanke, Achim Sommer, Grisha Bruskin

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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.