John Farndon Books

DK Eyewitness Books: Mesopotamia

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Travel back to the land where human history was first recorded—the land of kings, queens, gods, goddesses, nomads, and scribes. Be an eyewitness to the "land between the rivers," from the first Sum...

Rock and Mineral DK ONLINE

By John Farndon

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Do Not Open

By John Farndon

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Eyewitness oil

By John Farndon

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Discover the story of petroleum, and the many ways it shapes the world we live in--why we need it, where we get it, and how we use it.

Engineers

By John Farndon, Adam Hart Davis

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1000 facts on animals

By John Farndon

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1000 facts on human body

By John Farndon

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1000 facts on planet Earth

By John Farndon

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1000 Facts on science and technology

By John Farndon

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1000 Facts on Buildings Transportation Cars Trains Planes Ships and Boats Buildings Great Monuments

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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.