Colin Duriez Books

"Whether this is your first visit to C. S. Lewis's wonderful fantasy world or you've been there many times, you'll want to bring along this handy guide to the landscape and inhabitants of Narnia. Y...

The Quiet Time Companion

By Alistair Hornal, Colin Duriez, R. O. Willoughby

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AD 33

By Colin Duriez

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Bedeviled

By Colin Duriez

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Making Eden grow

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Living poems

By Colin Duriez

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The C.S. Lewis Encyclopedia

By Colin Duriez

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The C.S. Lewis chronicles

By Colin Duriez

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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.