Michael O Hearn Books

How Spirit Dog Made the Milky Way

By Roberta Collier Morales, Michael O Hearn, Tracy Davies, Shelly Lyons, Melissa Kes

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Mato the Bear and Devil s Tower

By Roberta Collier Morales, Michael O Hearn, Tracy Davies, Shelly Lyons, Melissa Kes

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Ghosts vs witches

By Michael O Hearn

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Magic and cunning will decide the winner of this fight. Ghosts can appear out of nowhere, and they have several tricks up their sleeves. But witches have powerful spells that give them an edge in b...

Monster Wars Pack a Of 4

By Scott Altmann, Michael O Hearn, McLean Kendree, Patricia Moffett

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Spinosaurus vs giganotosaurus

By Michael O Hearn

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In this series, readers learn all about their favourite prehistoric beasts, and then grab a front row seat to see what it would be like to watch them battle for victory.

Dinosaur Wars Pack a Of 4

By Michael O Hearn, Philip Renne

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Spinosaurus vs giganotosaurus

By Michael O Hearn

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In this series, readers learn all about their favourite prehistoric beasts, and then grab a front row seat to see what it would be like to watch them battle for victory.

Dinosaur Wars Pack a Of 4

By Michael O Hearn

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The kids guide to monster trucks

By Michael O Hearn

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"Describes a wide variety of monster trucks, including history, design, and competitions"--Provided by publisher.

Ghosts vs. witches

By Michael O Hearn

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"Describes the features and abilities of ghosts and witches, and how they may battle each other in a fight"--

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.