Norman Johnson Books

As the costs of health care have escalated in recent years, governments have encouraged private markets to assume a greater role in providing what were formerly state services. The impetus for this...

The Welfare State in Transition

By Norman Johnson, Johnson Norman

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The Welfare State in Transition

By Norman Johnson

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...More MRCP Part 1

By Norman Johnson, Chris Bunker

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... Further MRCP Part I

By Norman Johnson, Christopher Bunker

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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.