Vivian Vande Velde Books

Wizard at Work

By Vivian Vande Velde

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Now You See It...

By Vivian Vande Velde

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A well-timed enchantment

By Vivian Vande Velde

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A girl and her cat disappear back in time to retrieve a lost watch.

Spellbound

By Vivian Vande Velde

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23 Minutes

By Vivian Vande Velde

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A teen girl races against the clock to prevent a terrible tragedy in this time travel suspense thriller that will keep middle grade and young adult readers on the edges of their seats By both socie...

Maledictions Co

By Vivian Vande Velde

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Un chien trop bavard

By Vivian Vande Velde

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Wizard at Work

By Vivian Vande Velde

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Heir apparent

By Vivian Vande Velde

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While playing a total immersion virtual reality game of kings and intrigue, fourteen-year-old Giannine learns that demonstrators have damaged the equipment to which she is connected, and she must w...

Three Good Deeds

By Vivian Vande Velde

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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.