Paul Doherty Books

The Mysterium

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February 1304, London. A succession of brutal murders shocks the city as it comes to terms with the fall from power of Walter Evesham, Chief Justice in the Court of the King's Bench. Accused of bri...

An Evil Spirit Out of the West Ancient Egypt Trilogy 1

By P. C. Doherty

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The Season of the Hyaena Ancient Egypt Trilogy 2

By P. C. Doherty

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The Season of the Hyaena Ancient Egypt Trilogy 2

By P. C. Doherty

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The Season of the Hyaena

By P. C. Doherty

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The Year of the Cobra

By P. C. Doherty

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The Year of the Cobra

By P. C. Doherty

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The Magician s Death Medieval Mysteries 13

By P. C. Doherty

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The Magician s Death Medieval Mysteries 13

By P. C. Doherty

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The House of Shadows

By P. C. Doherty

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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.