Jo Whittemore Books

Vanessa's fashion face off

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Vanessa Jackson has style to spare and an amazing ability to rock any look. She's always had a flair for fashion and dreams of being a designer one day. She's loving middle school, and being on the...

Confidentially Yours 5

By Jo Whittemore

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Confidentially Yours 6

By Jo Whittemore

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Lights, Music, Code! 3

By Jo Whittemore

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Perfect for fans of The Babysitters Club and anyone interested in computer science, this series is published in partnership with the organization Girls Who Code!Maya and her friends from coding clu...

Escape From Arylon The Silverskin Legacy

By JoAnne Whittemore

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Curse of Arastold

By Jo Whittemore, JoAnne Whittemore

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Upon learning that Arastold has a cure for the illness that afflicts Ainsley, Lady Maudred, Megan, and Frieden head for the Icyllian Mountains, where they learn that Ainsley must embark upon the la...

Onaj s Horn

By Jo Whittemore

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Lights Music and Code 3 Girls Who Code

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Brooke s not so perfect plan

By Jo Whittemore

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Brooke, Vanessa, and Heather are put in charge of their middle school newspaper's advice column. Meanwhile, Brooke is finding it difficult to balance her commitments and school work.

Escape from Arylon Silverskin Legacy

By Jo Whittemore

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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.