John Farndon Books

Collins Childrens Encyclopedia

By John Farndon

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Collins Children's Encyclopedia

By John Farndon

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Atlas of Oceans: An Ecological Survey of Underwater Life

By John Farndon

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Looks at the oceans and seas around the world, describing the creatures found in them, threats they face, and recommendations on ways to preserve the ocean ecosystem.

Activators Astronomy Activators

By John Farndon

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Discovering History Pack

By John Farndon, Ward Brian, Will Fowler, Simon Adams

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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.