Peter Whitfield Books

Landmarks in western science

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"Our understanding of nature - as a succession of forms assumed by eternal elements - emerged during the hundred years between 1840 and 1940, when theories of thermodynamics, atomic structure, and...

Cities of the World

By Peter Whitfield

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The image of the world

By Peter Whitfield

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The mapping of the heavens

By Whitfield Peter Dr.

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The charting of the oceans

By Peter Whitfield, Whitfield Peter Dr.

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New Found Lands

By Peter Whitfield, Whitfield Peter Dr.

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Landmarks in Western science

By Whitfield Peter Dr.

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Astrology

By Whitfield Peter Dr.

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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.