Claudia Reichl Ham Books

Der unbekannte Verbundete

By Claudia Reichl Ham

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Von Soldnerheeren zu UN Truppen

By Claudia Reichl Ham, Irmgard Nobauer

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15 Wochen lang bey Tag und Nacht von denen Schweden belagert

By Jan Kilian, Claudia Reichl Ham, Jenny Ohman

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This anthology is dedicated to the events surrounding the siege of Prague and its consequences in 16 scientific articles by experts in the field of the Thirty Years' War. This is followed by the ed...

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.