Mark Bernthal Books

Christmas with BOZ

By Mark Bernthal, Mark S. Bernthal

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Join Boz and his friends as they get ready for Christmas.

Dragonfire

By Mariah Balaban, Mark Bernthal

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When Shobu accidentally ends up in the Fire Civilization, he's in for the battle of his life with dangerous dragons.

Let s go to the farm and the zoo

By Mark Bernthal

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In the first story, Barney, Baby Bop, and BJ spend the day working on a farm, learning how to milk cows, gather eggs, and drive a tractor; in the second story, BJ and Barney visit the zoo and learn...

Let s go visit the school

By Mark Bernthal

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"Join Barney and Baby Bop as they visit a preschool and learn all about how much fun it is. Baby Bop meets Scamper the guinea pig, listens to stories, paints, and builds a sand castle! What will...

Barney s Christmas Surprise Barney

By Mark Bernthal

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Barney and BJ Go to the Fire Station Go To... Barney

By Mark Bernthal

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Barney Goes to the Farm Go To... Barney

By Mark Bernthal

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Una Aventura Espacial

By Mark Bernthal

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Barney and Baby Bop s band

By Mark Bernthal

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Barney s Outer Space Adventure Barney

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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.