John L. Thomas Books

The American Catholic family

By Thomas John L.

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A country in the mind

By Thomas John L.

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"John L. Thomas details an intimate portrait of the intellectual friendship between two commanding figures of western letters and the early environmental movement - Wallace Stegner and Bernard DeVo...

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The Great republic

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The Great Republic

By David Brion Davis, John L. Thomas, Gordon S. Wood, Robert Dallek, Bernard Bailyn, David Herbert Donald

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Alternative America

By Thomas John L.

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Looking toward marriage

By Thomas John L.

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Abraham Lincoln and the American political tradition

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Art of a Happy Marriage

By John L. Thomas

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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.