Karl Friedrich May Books

The Shadow of the Padishah

By Michael M. Michalak

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Winnetou I

By Karl May

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Abridged translation of Karl May's novel "Winnetou" from 1893, with biographical and statistical material.

The Oil Prince

By Karl May

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"For nearly a century, Karl May, the most-read German author of all time, enflamed the imagination of European audiences with his action-packed "travel" fiction of the American West.". "Translated...

Winnetou The Apache Knight EasyRead Edition

By Karl May

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Winnetou The Apache Knight Large Print

By Karl May

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Winnetou The Apache Knight EasyRead Large Edition

By Karl May

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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.