Rich Johnston Books

Kate William

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She was a girl from a well-to-do background, who happened to fall in love with her best friend at University. He also happened to be the heir to the throne! And as he gave her the attention of the...

Avengefuls

By Michael Netzer, Rich Johnston, Chris Haley

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Kate Middleton

By Michael Collins, Rich Johnston

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William Windsor

By Rich Johnston, Gary Erskine

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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.