Robert D. Johnston Books

The Politics of Healing

By Robert D. Johnston

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The Politics of Healing

By Robert D. Johnston

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The Radical Middle Class

By Robert D. Johnston

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"America has a long tradition of middle-class radicalism, albeit one that intellectual orthodoxy has tended to obscure. The Radical Middle Class seeks to uncover the democratic, populist, and even...

The Radical Middle Class

By Robert D. Johnston

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The making of America

By Robert D. Johnston

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The making of America

By Robert D. Johnston

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Numbers in the Bible

By Robert D. Johnston

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Numbers in the Bible

By Robert D. Johnston

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Alandre s Universe

By Robert D. Johnston

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Politics of Healing

By Robert D. Johnston

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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.