Wendy Mass Books

Space Taxi

By Michael Brawer, Wendy Mass

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Pi in the Sky FREE PREVIEW EDITION the First 7 Chapters

By Wendy Mass

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The candymakers and the great chocolate chase

By Wendy Mass

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It has been a few months since the Harmonicandy was chosen as the winner of the nationwide candymaking contest. Forever changed by the experience, Logan, Miles, Philip, and Daisy have returned to t...

Every soul a star

By Wendy Mass

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Ally, Bree, and Jack meet at the one place the Great Eclipse can be seen in totality, each carrying the burden of different personal problems, which become dim when compared to the task they embark...

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.

Wendy Mass Books

A Mango Shaped Space

Leap Day

Leap Day

Space Taxi

Pi in the Sky

Candymakers

Pi in the Sky FREE PREVIEW EDITION the First 7 Chapters

Pi in the Sky

The candymakers and the great chocolate chase

Every soul a star

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?