Peter Firstbrook Books

Lost on Everest

By Peter Firstbrook

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Lost on Everest

By Peter Firstbrook

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The voyage of the Matthew

By Peter Firstbrook

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Lost on Everest

By Peter Firstbrook

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A man most driven

By Peter Firstbrook

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"He fought and beheaded three Turkish commanders in duels. He was sold into slavery, then murdered his master to escape. He was captured by pirates--twice--and marched to the gallows to be hanged,...

Perdidos en el Everest

By Peter Firstbrook

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The Obamas: The Untold Story of an African Family

By Peter Firstbrook

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The Obamas

By Peter Firstbrook

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Obamas

By Peter Firstbrook

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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.