Diane Duane Books

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

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Sent on vacation to her aunt's home in Ireland, teenage wizard Nita becomes entangled in a magic battle to save the country from the ghosts of its past.

High Wizardry

By Diane Duane

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When her younger sister uses the family computer with its special wizard software to travel to worlds light years away, Nita uses her wizardry to try to find her.

Deep Wizardry: The Second Book in the Young Wizards Series

By Diane Duane

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During a summer vacation at the beach, thirteen-year-old wizard Nita and her friend Kit assist the whale-wizard S'reee in combating an evil power.

Barbie: Fairytopia

By Elise Allen, Diane Duane

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Mindblast (Space Cops)

By Peter Morwood, Diane Duane

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So you want to be a wizard?

By Diane Duane

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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.

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.