Paul HARPER Books

John F. Kennedy, the promise revisited

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Working the territory: 60 years of advertising from the people of Needham Harper Worldwide

By Harper Paul

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The Arab-Israeli conflict

By Harper Paul

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A history of conflict in the Middle East which has raged for most of the twentieth century.

The 21st-Century Art Book

By David Trigg, Jonathan Griffin, The Editors Of Phaidon Press, Paul HARPER, Eliza Williams

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« A complement to the landmark The Art Book, The 21st-Century Art Book is an accessible guide to best contemporary art made since 2000. Showcasing over 280 artists in alphabetical order, it place e...

The Drug Officer s Companion

By Paul Harper, Steve Dalrymple

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Pacific heights

By Harper Paul

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Magic Johnson

By Laurie Rozakis, Harper Paul

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A biography of the basketball superstar, from his childhood in Michigan through his record-breaking career with the Los Angeles Lakers to his present HIV-positive status.

The Arab-Israeli issue

By Harper Paul

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Traces the history of the Arab-Israeli conflict and discusses prospects for a peaceful solution. Includes a glossary of terms.

L intrus

By Annie Hamel Paul Harper

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Pacific Heights

By Harper Paul

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Pursuing seemingly uncomplicated affairs with the same man, Lore Cha and Elise Currin, the wives of two successful businessmen, begin fearing for their sanity and turn to the same therapist for hel...

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.