William Petersen Books

Against the Stream

By William Petersen

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Against the Stream

By William Petersen

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From Persons to People

By William Petersen

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From Persons to People

By William Petersen

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From Persons to People

By William Petersen

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"Problems associated with aggregation and classification are the underlying theme of this book. When data assembled from individuals are presented as group characteristics, this process has logical...

From Birth to Death

By William Petersen

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From Birth to Death

By William Petersen

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Political Elites in a Democracy

By Peter Bachrach

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One Year Book of Psalms

By Tyndale, William Petersen, Randy Petersen

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The Complete Book of Hymns

By William Petersen, Ardythe Petersen

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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.