Eberhard Sauer Books

A large number of Roman coins (over 4,500) was discovered in the Puisard Romain, the Roman catchment installation of a hot spring at Bourbonne-les-Bains (department Haute-Marne, France). No other d...

Linear earthwork, tribal boundary and ritual beheading

By Eberhard W. Sauer

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Chemie und Fabrikation der tierischen Leime und der Gelatine

By Eberhard Sauer, K. Hagenmuller, E. Kinkel

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Die franzosische Revolution von 1789 in zeitgenossischen deutschen Flugschriften und Dichtungen

By Sauer Eberhard

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Archaeology and Ancient History

By Eberhard Sauer

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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.