Simon Callow Books

Henry IV Actors on Shakespeare

By SIMON CALLOW

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Orson Welles: The Road to Xanadu

By Simon Callow

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Two Minute Bunny Tales Two Minute Tales

By Simon Callow, Nicola Baxter

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Photographs by Snowdon

By Simon Callow, Drusilla Beyfus

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"Snowdon is one of the most versatile photographers of his generation. This book presents a variety of his work spanning five decades, from his early reportage of London in the 1950s to his photogr...

Dickens' Christmas

By Simon Callow

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The night of the hunter

By Simon Callow

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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.