David Jefferis Books

Polety, piloty i letatel'nye apparaty

By David Jefferis

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Los aviones

By David Jefferis

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Traces the evolution of the airplane from man's first flying machine to today's supersonic jets. Este libro describiendo, etapa por etapa, la historia de la aviación, desde el vuelo de Ícaro hasta...

Oneindige ruimte

By David Jefferis

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Fei ji di yen jin

By David Jefferis

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Traces the evolution of the airplane from man's first flying machine to today's supersonic jets.

Spacecraft Monster Machines

By David Jefferis

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Race Cars Monster Machines

By David Jefferis

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Internet

By David Jefferis

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Biotech

By David Jefferis

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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.