Ruth Plumly Thompson Books

The Royal Book Of Oz

By Ruth Thompson

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Oz

By L. Frank Baum

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The magic of Oz: A young citizen of Oz who learns an important magic word falls prey to the wickedness of the Nomes' ex-king who wants to destroy Dorothy, the Wizard, and Princess Ozma. Glinda of...

Oz

By L. Frank Baum

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The magic of Oz: A young citizen of Oz who learns an important magic word falls prey to the wickedness of the Nomes' ex-king who wants to destroy Dorothy, the Wizard, and Princess Ozma. Glinda of...

Kabumpo in Oz

By Ruth Plumly Thompson

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Lost King of Oz

By Ruth Plumly Thompson

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Cowardly Lion of Oz

By Ruth Plumly Thompson

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Royal Book of Oz

By Ruth Plumly Thompson

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Royal Book of Oz

By Ruth Plumly Thompson

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Princess of Cozytown

By Ruth Plumly Thompson, Janet Laura Scott

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Cowardly Lion of Oz

By John R. Neill, Ruth Plumly Ruth Plumly Thompson

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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.