Mark S. Bernthal Books

Through the Seasons

By Mark S. Bernthal

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Sharing is Caring

By Mark Bernthal, Mark S. Bernthal

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Catch That Hat Barney

By Mark Bernthal, Mark S. Bernthal

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Duel Masters

By Mark S. Bernthal

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"There's a new player in town--a frightening duelist everyone is scared to take on. His Darkness cards mess with challengers' minds, making it impossible to rule the duel..."--Cover back.

Duel Masters

By Mark S. Bernthal

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Duel Masters

By Mark S. Bernthal

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Duel Masters Chapter Book 5 Coin Toss Chapter Book 5

By Mark S. Bernthal

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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 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...

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.