Johnston Paul Books

Body Politic

By Johnston Paul

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Last Red Death

By Johnston Paul

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Blood Tree

By Johnston Paul

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Body politic

By Johnston Paul

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It is the year 2020, and Edinburgh is now independent. When a gruesome series of murders is committed, Quint Dalrymple is called on to track down the murderer. In doing so he uncovers a tale of gov...

The bone yard

By Johnston Paul

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New Year's Eve 2021. The one night of the year when the guards are less vigilant. The perfect time for murder. Welcome to twenty-first-century Edinburgh: an oppressive, crime-free independent city...

The bone yard

By Johnston Paul

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New Year's Eve 2021. The one night of the year when the guards are less vigilant. The perfect time for murder. Welcome to twenty-first-century Edinburgh: an oppressive, crime-free independent city...

Wittgenstein

By Johnston Paul

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Contradictions of Modern Moral Philosophy

By Johnston Paul

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Wittgenstein

By Johnston Paul

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Skeleton Blues

By Johnston Paul

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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.