Peter Coeln Books

Cora Pongracz

By Cora Pongracz, Marie Robl, Peter Coeln

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Auf Basis einer eingehenden Auseinandersetzung mit dem Nachlass, der 2015 von der Fotosammlung OstLicht erworben wurde, bietet dieses Buch einen fundierten Überblick über alle Werkphasen, das Leben...

Leica Price Guide

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SchauLust

By Gordon Catlin, Peter Weiermair, Alfons Walde, Carl Kraus, Rebekka Reuter, Peter Coeln

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Magnum s first

By Achim Heine, Peter Coeln, Andrea Holzherr

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Camera Is Cruel

By Daniel Jelitzka, Peter Coeln, Astrid Mahler, Mecklenburg Franziska, Rebekka Reuter

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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.