Stephan Lermer Books

Krebs und Psyche

By Stephan Lermer

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Small Talk

By Stephan Lermer

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HauptbeschreibungSie kennen das Gefu hl, beim Empfang mit dem Sektglas still in der Ecke zu stehen, wa hrend sich die anderen angeregt unterhalten? Das richtige Thema fa llt einem immer fu nf Minut...

Gemeinsam bin ich besser

By Stephan Lermer, Hans Christian Meiser

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Lebensabschnittspartner

By Stephan Lermer, Hans Christian Meiser

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Entdeckungsreise ins Innere der Seele

By Stephan Lermer

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Small Talk

By Stephan Lermer

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Der verlassene Mann

By Stephan Lermer, Hans Christian Meiser

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Lebensabschnittspartner

By Stephan Lermer

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Paarweise

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Small Talk

By Stephan Lermer

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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.