Cora Harrison Books

Murder at the Queen s Old Castle

By Cora Harrison

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Murder on stage

By Cora Harrison

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A scream rings out through the theatre. The man on stage is dead! Who killed him? Alfie has a few suspects in his sights. But when the spotlight turns on Alfie himself, the search for the murderer...

Montgomery Murder

By Cora Harrison

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Murder on Stage

By Cora Harrison

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Death of a Chimney Sweep

By Cora Harrison

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Body in the Fog

By Cora Harrison

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Deadly Fire

By Cora Harrison

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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.