Mark Hertsgaard Books

Los Beatles

By Mark Hertsgaard

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La Sombra Del Aguila

By Mark Herstgaard, Mark Hertsgaard

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A Day in The Life De Beatles en hun muziek

By Mark Hertsgaard

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Blauwe planeet rode hemel

By Hertsgaard Mark

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Sombra del Aguila La. Por Que Estados Unidos Suscita Odios y Pasiones En Todo El Mundo

By Mark Hertsgaard

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Like many of us, Mark Hertsgaard has long worried about the declining health of our environment. But in 1991, he decided to act on his concern and investigate the escalating crisis for himself. Tra...

Earth Odyssey

By Mark Hertsgaard

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Earth Odyssey C Book Club

By Mark Hertsgaard

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Eagle s Shadow

By Mark Hertsgaard

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Eagle s Shadow

By Mark Hertsgaard

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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.