Patrick O'Sullivan Books

Originally Published In 1973, This Book Reports Experiments In The Modelling Of Freight Flows In Great Britain, On The Basis Of 78 Origin-destination Zones Covering The Entire Country. Its Central...

The Lakes Handbook: Limnology And Limnetic Ecology

By P. E. O'Sullivan, Patrick O'Sullivan, C. S. Reynolds

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The Geography Of Warfare

By Patrick Michael O'Sullivan, Patrick O'Sullivan, Jesse W. Miller, Patrick O'Sullivan And Jesse W. Miller, Jr

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Patrick O'sullivan And Jesse W. Miller, Jr. Includes Bibliographies And Index.

Geopolitics

By Patrick Michael O'Sullivan, Patrick O'Sullivan

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This book examines the whole subject of geopolitics. It shows the importance of geography in international power politics and shows how geopolitical thought influences policy-making and action.

The Beyond Ireland

By Patrick O'Sullivan

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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.