Werner Siefer Books

Besser denken besser leben. Geistige Fahigkeiten spielerisch entfalten

By Frank Miltner Werner Siefer Josef Scheppach

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Tatort Gehirn

By Hans J. Markowitsch

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Das Genie in mir

By Werner Siefer

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Wir und was uns zu Menschen macht

By Werner Siefer

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Ich

By Werner Siefer

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"Erkenne dich selbst!", forderte einst das Orakel von Delphi. Und so sind wir auch heute noch unaufhörlich damit beschäftigt, unser wahres Selbst zu suchen. Doch die neuesten Erkenntnisse der Neuro...

Tatort Gehirn

By Hans J. Markowitsch

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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.