John R. Neill Books

Patchwork Girl of Oz Annotated

By John R. Neill

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Lost Princess of Oz Annotated

By John R. Neill

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Sea Fairies Annotated and Unabridged

By John R. Neill, L. Frank Baum

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The runaway in Oz

By John R. Neill

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When Scraps, the Patchwork Girl of Oz, gets into trouble with some of the Emerald City's citizens, she decides that she is unappreciated and runs away from home.

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Marvelous Land of Oz

By John R. Neill, Monica Guido

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John Dough and the Cherub

By John R. Neill, The Gunston Trust, L. Frank Baum

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Scarecrow of Oz by

By John R. Neill, L. Frank Baum

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Rinkitink in Oz

By John R. Neill, L. Frank Baum

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Handy Mandy in Oz

By John R. Neill, The Gunston Trust, Ruth P. 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.