Christopher Sandford Books

Renowned mystery author Arthur Conan Doyle and famous illusionist Harry Houdini first met in 1920, during the magician's tour of England. At the time, Conan Doyle had given up his lucrative writing...

Bowie: Loving The Alien

By Christopher Sandford

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Clapton: Edge Of Darkness, Updated Edition

By Christopher Sandford

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Springsteen: Point Blank

By Christopher Sandford

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Mick Jagger

By Christopher Sandford

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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.