Matthew Holm Books

Babymouse 20

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Middle school is off to a depressing start for Marvin Watson, his new baby brother is proving to be a disappointment, and now his town is being threatened by a horde of mutant bugs, including a hun...

Comics Squad 2: Lunch!

By Jarrett Krosoczka, Jennifer L. Holm, Matthew Holm

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Calling all kidz! Do you like comics? Do you like laughing till milk comes out of your nose?! Look no further—do we have the book for you! All your favorite comic characters are right here in one b...

Comics Squad 2 Lunch

By Jarrett Krosoczka, Peanuts, Cece Bell, Jennifer L. Holm, Matthew Holm

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Comics Squad 3: Detention!

By Jarrett Krosoczka, Jennifer L. Holm, Matthew Holm

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A comics collection from some of the biggest stars in graphic novels, including Jennifer L. Holm and Matthew Holm, Jarrett J. Krosoczka, and Victoria Jamieson! Calling all kidz! Do you like comic...

Comics Squad 3: Detention!

By Jarrett J. Krosoczka, Ben Hatke, Jennifer L. Holm, Matthew Holm, Victoria Jamieson

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A comics collection from some of the biggest stars in graphic novels, including Jennifer L. Holm and Matthew Holm, Jarrett J. Krosoczka, and Victoria Jamieson! Calling all kidz! Do you like comic...

Queen of the World Babymouse Turtleback

By Jennifer L. Holm, Matthew Holm

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Sunny Side Up

By Jennifer L. Holm, Matthew Holm

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Babymouse Goes For The Gold

By Jennifer L. Holm, Matthew

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Gray highway

By Matthew Holm

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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.