Stefan Frank Books

Osterreichisches Staatsrecht

By Ludwig Karl Adamovich

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Dr. Stefan Frank 2620: Tage Der Angst (German Edition)

By Stefan Frank

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Es ist morgendliche Visite an der Kardiologie der Waldner-Klinik. Schwester Susanna reicht dem Oberarzt die Patientenakte, als es passiert. Die Sauerstoffsättigung der Patientin fällt dramatisch ab...

Dr. Stefan Frank 2587 - Arztroman: Nicht Ohne Theo! (German Edition)

By Stefan Frank

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Die Ehe von Emma und Philipp scheint am Ende zu sein. Immer öfter führen Kleinigkeiten zum Streit. Emma wirft ihrem Mann vor, zu viel zu arbeiten und sie im Stich zu lassen. Selbst die Geburtstagsf...

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.