Thomas L. Jeffers Books

Samuel Butler revalued

By Thomas L. Jeffers

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Apprenticeships

By Thomas L. Jeffers, Jeffers Thomas L

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Norman Podhoretz

By Thomas L. Jeffers

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Norman Podhoretz

By Thomas L. Jeffers

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"This is the first biography of the Jewish-American intellectual Norman Podhoretz, longtime editor of the influential magazine Commentary. As both an editor and a writer, he spearheaded the counter...

Norman Podhoretz

By Thomas L. Jeffers

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Norman Podhoretz

By Thomas L. Jeffers

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Apprenticeships

By Thomas L. Jeffers

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Apprenticeships

By T. Jeffers

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Literature and the Conservative Ideal

By D. Marcel DeCoste, Thomas L. Jeffers, Mark Bauerlein, Mary Grabar, Mark Zunac

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Literature and the Conservative Ideal

By D. Marcel DeCoste, Thomas L. Jeffers, Mark Bauerlein, Mary Grabar, Mark Zunac

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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.