Howie Dewin Books

Powerpuff Girls Chapter Book 08: Sand Hassle

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Summertime means vacation, even for the Powerpuff Girls. Can the girls battle the monsters at the beach and still have fun?

Monopoly Junior Math Madness Hasbro

By Howie Dewin

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Boggle Jr. s Wacky World Of Words Puzzle Book Hasbro

By Howie Dewin

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Mojo Jojo's yo-yo tricks

By Howard Dewin, Howie Dewin

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Mojo's found a new way to defeat those pesky Powerpuff Girls. Now you, too, can amaze your friends and crush your foes with tips from this fun book of yo-yo info.

Little Miss Pokey Oaks

By Howard Dewin, Howie Dewin

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Powerpuff Girls Movie Storybook

By Howard Dewin, Howie Dewin

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Out of jealousy for the attention the Powerpuff Girls get from the Professor, Mojo Jojo devises a plan to bend their superpowers to his advantage.

Dexter s Ink Dexter s Laboratory Chapter Books

By Amy Keating Rogers, Howard Dewin, Howie Dewin, Chris Savino

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Emily Elizabeth Playwear Sidekicks

By Scholastic Inc.

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Emily Elizabeth Playwear Sidekicks

By Scholastic Inc.

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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.