Marc Schoentgen Books

Die grossherzoglichen Residenzen neu entdeckt Les residences grand ducales redecouvertes The Grand Ducal residences newly discovered

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Palais in Luxembourg and the Berg & Fischbach castles. The 450-year-old reliefs of the Renaissance facade of the grand-ducal palace and the transformations of the 1890s rarely allow a glimpse of th...

Erlebtes Erlittenes

By Hugo Heumann

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Arbeiten Unter Hitler

By Marc Schoentgen

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Arbeiten Unter Hitler

By Marc Schoentgen

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Arbeiten Unter Hitler

By Marc Schoentgen

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Arbeiten Unter Hitler

By Marc Schoentgen

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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.