David Grunwald Books

Richard Avenarius

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In his work "Skepticism and Mysticism", Landauer offers insights into the continual dialectical role of mystics and skeptics in advancing human knowledge over the ages. In his search for true cogni...

Paper Mache 1917

By David Grunwald

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The Immeasurable House of Being

By David Grunwald

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Ernst Toller s Poems of the Prisoners 1918 1921

By David Grunwald

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Coriolanus

By David Grunwald

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Why Communism Failed

By David Grunwald

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Blue Moon Binder Poems 1987 2021

By David Grunwald

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Night Rhymes

By David Grunwald

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American Poems 2022 2023

By David Grunwald

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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.