Diane Duane Books

So You Want to Be a Wizard (20th): Twentieth-Anniversary Edition

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Thirteen-year-old Nita, tormented by a gang of bullies because she won't fight back, finds the help she needs in a library book on wizardry which guides her into another dimension.

The Wizard's Holiday: The Seventh Book in the Young Wizards Series

By Diane Duane

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While Nita's sister and her dad host three young alien wizards, teenage wizards Nita and Kit travel halfway across the galaxy as part of an exchange program and find themselves again caught up in t...

Wizards at War

By Diane Duane

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Nita and Kit rejoin forces when a strange darkness of the mind overcomes the older wizards, stealing away their power, and forcing the younger wizards to go to war to save the world.

A Wizard Alone: The Sixth Book in the Young Wizards Series

By Diane Duane

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High Wizardry

By Diane Duane

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Deep Wizardry

By Diane Duane

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Wizard's Holiday: The Seventh Book in the Young Wizards Series

By Diane Duane

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Wizards at War: The Eighth Book in the Young Wizards Series

By Diane Duane

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The Wizard's Dilemma

By Diane Duane

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A Wizard Abroad (digest): The Fourth Book in the Young Wizards Series

By Diane Duane

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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.