Rudolf Weiss Books

Otto Wagner's master class at the Academy of Fine Arts was the most important laboratory of architectural modernism in fin-de-siècle Vienna. Wagner and his students created visionary designs for an...

Mountaineering Dictionary English French German Italian

By Rudolf Weiss

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Weiss s Herbal Medicine Classic Edition

By R. F. Weiss, Rudolf Weiss, V. Fintelmann

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Alpine Dictionary

By Rudolf Weiss, Brian Byrne

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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.