Robin Kerrod Books

Whales and Dolphins Nature Fact Files

By Robin Kerrod

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The Night Sky Kerrod Robin. Exploring the Universe.

By Robin Kerrod

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Weights and measures

By Robin Kerrod

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Explains the origins of weights and measures, how they have changed over the years, and how they can be used to measure different things. Includes projects and questions.

The Cherrytree Book of Science A Cherrytree Book

By Robin Kerrod

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Manufacturing Industry Library of Science Technology

By Robin Kerrod

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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.