Douglas JOHNSON Books

This volume is one of a series of short biographies derived from The New Grove Dictionary of Music and Musicians (London, 1980). In its original form, the text was written in the mid-1970s, and fin...

Cross Channel Currents

By D. Johnson

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Age of Illusion: Art and Politics in France, 1918-40

By Douglas Johnson, Johnson Douglas, Madeleine Johnson, Douglas W. J. Johnson

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France

By Johnson Douglas

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A concise history of France

By Johnson Douglas

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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.