Wend Von Kalnein Books

The Art and Architecture of the 18th Century in France Hist of Art

By Wend Graf Kalnein, Wend Von Kalnein, Levey Michael.

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Georgisches Tagebuch: Funf Jahre kriegsgefangen im Kaukasus

By Wend Von Kalnein

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Architecture in France in the Eighteenth Century

By Wend Von Kalnein

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The eighteenth century was a time of supreme achievement in French architecture. The buildings of the period are distinguished by restraint and proportion, grace and practicality - qualities that i...

Schloss Anif

By Wend Von Kalnein

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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.