Donald Godfrey Books

Philo T Farnsworth

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"Philo T. Farnsworth (1906-1971) has been called the "forgotten father of television." He grew up in Utah and southern Idaho, and was described as a genius by those who knew and worked with him. Wi...

Philo T Farnsworth

By Donald Godfrey

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Additive Manufacturing of Metals

By Soeren Wiener, Mamballykalathil Menon, Keng Hsu, Francisco Medina, Li Yang, Brian Baughman, Donald Godfrey

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C. Francis Jenkins Pioneer of Film and Television

By Donald Godfrey

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In Their Footsteps

By Donald Godfrey

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Additive Manufacturing of Metals

By Soeren Wiener, Mamballykalathil Menon, Keng Hsu, Francisco Medina, Li Yang, Brian Baughman, Donald Godfrey

Average: 0.00, 0 Ratings

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.