Ernest Callenbach Books

Okotopia

By Ernest Callenbach

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Okotopia

By Ernest Callenbach

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**Ökotopia. Notizen und Reportagen von William Weston aus dem Jahre 1999** ist ein Zukunftsroman von Ernest Callenbach aus dem Jahre 1975. Die im Buch beschriebene Gesellschaft war eine der ersten...

Ecology

By Ernest Callenbach

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This compact, lively book uses everyday nontechnical language to explain 60 basic ecological concepts. You can move around freely among its brief, information-packed entries, gaining easy access to...

Bring Back the Buffalo

By Ernest Callenbach

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Ecotopia

By Ernest Callenbach

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Ecotopia

By Ernest Callenbach

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Ecotopia the Notebooks and Reports of Will

By Ernest Callenbach

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Ecotopia

By Ernest Callenbach

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Ecotopia

By Ernest Callenbach

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Ecotopia

By Ernest Callenbach

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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.