Rob Eastaway Books

How Long Is a Piece of String

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"With plenty of ideas you'll want to test out for yourself, this engaging and refreshing look at mathematics is for everyone. If you already like maths, you'll discover plenty of new surprises. And...

How Many Socks Make A Pair

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How Many Socks Make a Pair

By Rob Eastaway

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Hidden Mathematics of Sport

By Rob Eastaway, John Haigh

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How Long Is a Piece of String

By Rob Eastaway

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Why Do Buses Come in Threes

By Rob Eastaway

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Mindbenders and Brainteasers

By Rob Eastaway

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How to Remember Almost Everything Ever

By Rob Eastaway

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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.