Megan McDonald Books

Judy Moody Was in a Mood. Not a Good Mood. A Bad Mood

By Megan McDonald

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Reptiles are my life

By Megan McDonald

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Amanda, who loves insects, and Maggie, who loves reptiles, are best friends until Emily joins their class and Maggie feels left out.

Judy Moody Saves the World

By Megan McDonald

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Judy Moody saves the world

By Megan McDonald

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When Judy Moody gets serious about protecting the environment, her little brother Stink thinks she is overdoing it, but she manages to inspire her third grade class to undertake an award-winning, e...

Judy Moody Boxset Books 1 2 3 Judy Moody 1 2 3

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Judy Moody gets famous

By Megan McDonald

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When a third grade classmate gets her picture in the paper for winning a spelling bee, Judy is determined to find a way to become famous herself.

Reptiles Are My Life

By Megan McDonald

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Judy Moody Predicts the Future

By Megan McDonald

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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.