Jill McDonald Books

Hello, World! Moon Landing

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Learn from home and explore the world with these fun and easy board books!Discover all about the first moon landing with the hit nonfiction board book series Hello, World!All young children love to...

Hello, World! Solar System

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Learn from home and explore the world with these fun and easy board books!Every young child loves to look up at the moon in the night sky. Here’s a Hello, World! board book that teaches toddlers al...

Hello, World! Baby Animals

By Jill McDonald

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Learn from home and explore the world with these fun and easy board books!Babies and toddlers will love spotting all the baby animals in this adorable and informative addition to the hit Hello, Wor...

Hello, World! Reptiles

By Jill McDonald

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Learn from home and explore the world with these fun and easy board books!The latest in the hit Hello, World! board book series teaches toddlers all about reptiles—with easy-to-understand fac...

Hello, World! Planet Earth

By Jill McDonald

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Learn from home and explore the world with these fun and easy board books!Toddlers love to learn about the solar system. Here's a book all about our amazing planet Earth, with easy-to-understand fa...

Hello, World! Garden Time

By Jill McDonald

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Learn from home and explore the world with these fun and easy board books!This cheerful and informative Hello, World! board book teaches toddlers all about gardens—with easy-to-understand fac...

Hello, World! Planes and Other Flying Machines

By Jill McDonald

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Learn from home and explore the world with these fun and easy board books!This bright and informative Hello, World! board book teaches toddlers all about planes and other machines that fly—wi...

Hello, World! Snow

By Jill McDonald

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The hit Hello, World! board book series teaches toddlers all about snow! Includes easy-to-understand facts about chilly weather, snowflakes, storms, snowplows, and winter fun.Young children love to...

Hello, World! Rocks and Minerals

By Jill McDonald

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Learning about rocks and minerals is made easy for young readers with the bestselling nonfiction board book series Hello, World! A perfect gift for aspiring little geologists!Young children love ex...

Hello World Outdoors Sp22 6 Copy Clip Strip

By Jill 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.