Julian Guthrie Books

Billionaire and the Mechanic

By Julian Guthrie

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How to Make a Spaceship

By Julian Guthrie

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A New York Times bestseller! The historic race that reawakened the promise of manned spaceflightWinner of the 2016 Eugene E. Emme Award for Astronautical LiteratureA Finalist for the PEN/E. O....

Grace of Everyday Saints

By Julian Guthrie

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How to Make a Spaceship

By Julian Guthrie

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Good Blood

By Julian Guthrie

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Good Blood

By Julian Guthrie

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How to Make a Spaceship

By Richard Branson, Julian Guthrie

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Good Blood

By Julian Guthrie

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How to Make a Spaceship

By Richard Branson, Julian Guthrie

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How to Make a Spaceship: A Band of Renegades, an Epic Race, and the Birth of Private Spaceflight

By Julian Guthrie

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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.