Siegfried Mandel Books

The German philosopher Friedrich Nietzsche (1844-1900) has been the subject of many intellectual biographies. Regarding Nietzsche's feelings toward the Jews, they have offered the reader a choice:...

Das Diskriminierungsverbot gemass Paragraph 26 Absatz 2, Satz 2 des Gesetzes gegen Wettbewerbsbeschrankungen und Grenzen der Zulassigkeit fur den selektiven Vertrieb

By Siegfried Mandel

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Visions of Christ

By Rainer Maria Rilke, Aaron Kramer, Siegfried Mandel

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Group 47: the reflected intellect

By Siegfried Mandel

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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.