Rob Greenfield Books

Dude making a difference

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"You want to do something for the planet, but what? Change a light bulb, install a low-flow faucet, eat organic? How about ride 4,700 miles across America on a bamboo bicycle, using only water from...

Food Freedom

By Rob Greenfield, Joel Salatin

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Northern Perspectives

By Rob Greenfield

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Food Freedom

By Rob Greenfield, Joel Salatin

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Dude Making a Difference

By Rob Greenfield

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Zero Waste Kids

By Rob Greenfield

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Rob Greenfield s Be the Change

By Rob Greenfield, Antonia Banyard

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Dude Making a Difference

By Rob Greenfield

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Food Freedom

By Rob Greenfield, Joel Salatin

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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.