Johnston Paul Books

Heads or hearts

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Maverick ex-cop Quint Dalrymple returns to investigate a series of gruesome murders in a near-future independent Edinburgh. Independent Edinburgh, 2033. The Council of City Guardians has been force...

The tree of liberty

By Johnston Paul

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Value ology

By Johnston Paul, Simon Kelly, Stacey Danheiser

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Value ology

By Johnston Paul, Simon Kelly, Stacey Danheiser

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Lista mortal

By Johnston Paul

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Coleccionista de almas Souls Collector

By Johnston Paul

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Chlorine and the Environment

By Ruth Stringer, Johnston Paul

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Chlorine and the Environment

By Ruth Stringer, Johnston Paul

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Contradictions of Modern Moral Philosophy

By Johnston Paul

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Contradictions of Modern Moral Philosophy

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.