Peter Duignan Books

Directory of selected scientific institutions in mainland China.

By Peter Duignan, Surveys And Research Corporation Washington D.C.

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490 selected research and development institutions. Scientific fields covered are the physical sciences, biology, medical and agricultural sciences, and engineering. Arranged according to administr...

Hope for South Africa?

By Lewis H. Gann

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Politics in Western Europe

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The United States and the new Europe, 1985-1992

By Peter Duignan

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The United States

By Peter Duignan

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An ambivalent heritage

By Peter Duignan

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World War II in Europe

By Peter Duignan

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World War II and the beginning of the Cold War

By Lewis H. Gann

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The Cold War

By Peter Duignan, Lewis H. Gann

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Bilingual education

By Peter Duignan

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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.