John M Burns Books

BioGraffiti

By John McLauren Burns, John M. Burns

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Doctor Who

By Colin Baker, Lynda Bellingham, Terrance Dicks, Professor Emeritus Philip Martin

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The 39 Steps Classics Illustrated

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Read the thrilling story of “The Great War”, known now as the First World War. Classics Illustrated traces the history of this devastating conflict from the catalytic political assassination that s...

World War II

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Tells the astonishing and horrifying story of the Second World War in comic-strip format. Classics Illustrated traces the chronology of the most costly war in human history from its outbreak to its...

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.