Megan McDonald Books

Judy Moody: Around the World in 8 1 2 Days

By Megan McDonald Illustrated By Peter H. Reynolds

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A brand-new friend and a big class project put Judy in an international mood in this comical adventure.Judy Moody cannot believe her ears. There at the lunch table, a girl called Amy Namey is inter...

Judy Moody Mood Martian Book 12

By Peter H. Reynolds, Megan McDonald

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Judy Moody and Friends: Triple Pet Trouble

By Megan McDonald Illustrated By Erwin Madrid

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Judy’s unusual pets—Jaws, Mouse, and Toady—are the center of attention in a new Judy Moody® book for newly independent readers.Dr. Judy knows a sick pet when she sees one, an...

Judy Moody and Stink: The Big Bad Blackout

By Megan McDonald Illustrated By Peter H. Reynolds

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“A cozy, comfortable book for a rainy night.” — Kirkus ReviewsThe whole Moody family hunkers down with beans and batteries, ready to wait out a storm. But along with mas...

Stink and the Shark Sleepover

By Peter H. Reynolds, Megan McDonald

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Sisters Club

By Megan McDonald

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Stink

By Peter H. Reynolds, Megan McDonald

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Stink and the Incredible Super Galactic Jawbreaker

By Peter H. Reynolds, Megan McDonald

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Stink and the World s Worst Super Stinky Sneakers

By Peter H. Reynolds, Megan McDonald

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Stink and the Great Guinea Pig Express

By Peter H. Reynolds, 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.