Thomas Biller Books

Die Hohkonigsburg im Mittelalter

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Die Hohkönigsburg im Elsass verdankt ihren Rang als eine der meistbesuchten Burgen Europas nicht nur ihrer Lage und pittoresken Anmutung, sondern auch der Tatsache, dass sie scheinbar ein perfektes...

Die Pfalz Wimpfen

By Thomas Biller

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Templerburgen

By Thomas Biller

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Die mittelalterlichen Stadtbefestigungen im deutschsprachigen Raum

By Thomas Biller

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Le Chateau De Fleckenstein

By Thomas Biller, Bernhard Metz

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Die Burgen Kaiser Friedrichs II. in Suditalien

By Thomas Biller

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Die Burgen des Elsass Bd. II 1200 1250

By Thomas Biller

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Die Burgen des Elsass Band I

By Thomas Biller, Bernhard Metz

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Kommunikationsmodelle ALS Hilfestellung Bei der Interaktion Mit Menschen Mit Demenz

By Thomas Biller

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Burg Fleckenstein.

By Thomas Biller, T. Radt

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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.