Martin Walker Books

The Body in the Castle Well

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Another installment in the delightful, internationally acclaimed series featuring Chief of Police Bruno: When a young American woman turns up dead in the courtyard of an ancient castle, Bruno Courr...

The Coldest Case

By Martin Walker

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York Notes

By Martin J. Walker, Declan Kiberd

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York Notes on George Bernard Shaw s Pygmalion

By Margery Mary Morgan

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York Notes

By Michael Alexander

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York Notes

By Martin Walker

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York Notes

By David Langston

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A mercenary calling

By Martin Walker

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The Eastern question

By Martin Walker

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Daily sketches

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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.