David Ellery Books

R.M.S. Queen Mary

By David Ellery

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RMS QUEEN MARY: 101 Questions And Answers About The Great Transatlantic Liner

By David Ellery

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Even before her launch RMS Queen Mary earned a special place in history. Job number 534, as the new Cunard liner was known, was Britain's largest passenger ship by far. In 1930 construction was beg...

Qe2

By Bryn Heveldt, David Ellery

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Real Howard'S Way

By Clive Brooks, Brooks, Clive, Ellery, Mr David, David Ellery

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Qe2

By David Ellery

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In Business And Battle

By NICHOLAS BEALE, Nicholas Beale, Charles Style, David Ellery

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The UK's Royal College of Defence Studies (RCDS) annual programme unites senior personnel from around the world who are preparing for the highest responsibilities in civilian and military spheres....

Midnight Girls

By David Ellery

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The Midnight Girls

By David Ellery

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Dress Sense

By David Ellery, Ellery David Ellery

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Dress Sense

By David Ellery

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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.