Paul Doherty Books

The midnight man

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A 'Canterbury Tales' medieval mystery. As Chaucer's pilgrims shelter for the night, it's the physician's turn to enthral his fellow travellers with a terrifying tale. When Brother Anselm and his no...

Pilgrimage to Murder A

By P. C. Doherty

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Mansions of Murder

By P. C. Doherty

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Dark queen rising

By P. C. Doherty

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"First in a brand-new historical mystery series featuring Margaret Beaufort, mother of King Henry VII and matriarch of the Tudor dynasty... May, 1471. The Wars of the Roses are reaching their bitte...

Alexander the Great

By PAUL DOHERTY, P. C. Doherty

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The Gates of Hell

By P. C. Doherty

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The secret life of Elizabeth I

By P. C. Doherty

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ISABELLA AND THE STRANGE DEATH OF EDWARD II.

By P. C. Doherty, PAUL C. DOHERTY

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The House of Death Alexander the Great

By P. C. Doherty

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The Mysterious Death of Tutankhamun

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.