Wolfgang Valentin Ikas Books

Martin von Troppau

By Wolfgang Valentin Ikas

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Ein Leben im Gegengluck des Geistes

By Nino Nodia, Sigrid Von Moisy, Wolfgang Valentin Ikas

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Exhibition catalog on Friedrich's life and work, including a section on his 30 years as head of the Deutscher Taschenbuch Verlag.

Katalog der Lateinischen Fragmente der Bayerischen Staatsbibliothek Munchen

By Wolfgang Valentin Ikas, Hermann Hauke

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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.