Steve Nicholas Books

Doctor Who: Impossible Worlds: A 50-Year Treasury of Art and Design

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Provides a behind-the-scene tour of the long running program, showing how the design of the sets, costumes, spacecraft, alien planets, creatures, technology, and weapons all come together to create...

Whitchurch and Llandaff North

By Steve Nicholas

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Tom Sloane

By R.C. Proctor

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Whitchurch and Llandaff North

By Steve Nicholas

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Whitchurch and Llandaff North Through Time

By Steve Nicholas

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Doctor Who

By Stephen Nicholas, Mike Tucker

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Ensigns and Echoes

By Steve Nicholas

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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.