John W. Jeffries Books

Testing the Roosevelt coalition

By John W. Jeffries

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Wartime America

By John W. Jeffries, John Jeffries

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Wartime America

By John W. Jeffries

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In this new and cogent history of America during World War II, John Jeffries suggests that our view of the war has been shaped by two widely accepted perspectives: as a "Good War" of national unity...

Third Term for FDR

By John Jeffries

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Encyclopedia of American History 11 Vol Set Encyclopedia of American History

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Wartime America

By John W. Jeffries

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Wartime America

By John W. Jeffries

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Wartime America

By John W. Jeffries

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American Ways Wartime America

By John W. Jeffries

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Wartime America

By John W. Jeffries

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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.