Matthew Holm Books

Babymouse 5: Heartbreaker

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Meet Babymouse--the spunky mouse beloved by young readers for more than a decade! Valentine’s Day is here and Babymouse loves everything about it, except for the, well…love part. Find out if she ge...

Babymouse 7: Skater Girl

By Jennifer Holm

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Meet Babymouse--the spunky mouse beloved by young readers for more than a decade! When Babymouse shows everyone her talent on the ice, she gets discovered by the famous Coach Bearnakorva. Will her...

Babymouse

By Jennifer L. Holm

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An imaginative mouse who likes to read heroic fantasy novels finds herself on the school math team as it prepares to compete for the coveted Golden Slide Rule.

Babymouse 12: Burns Rubber

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Meet Babymouse--the spunky mouse beloved by young readers for more than a decade! Babymouse and her best friend, Wilson, are ready to race! Will they be the first to cross the finish line? This gro...

Babymouse 14: Mad Scientist

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Meet Babymouse--the spunky mouse beloved by young readers for more than a decade! Watch out, world! Babymouse is entering the science fair! Will her discovery win first place or is Babymouse in ove...

Babymouse 15: A Very Babymouse Christmas

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Meet Babymouse—the spunky mouse beloved by young readers for more than a decade! The holidays are here and Babymouse has only one thing on her mind—PRESENTS. Will Babymouse find what she’s looking...

Babymouse for president

By Jennifer L. Holm

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When Babymouse decides to become president of the student council, she learns that there is more to running for office than being famous and in charge.

Comics Squad: Recess!

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A bust-your-gut-laughing graphic-novel anthology with original contributions from the most beloved names in the genre! * Jennifer Holm & Matthew Holm * Jarrett J. Krosoczka * Dav Pilkey * Dan Santa...

Comics Squad: Recess!

By Gene Luen Yang, Dav Pilkey, Jarrett Krosoczka, Ursula Vernon, Raina Telgemeier, Dave Roman, Jennifer L. Holm, Matthew Holm, Eric Wight, Dan Santat

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School Tripped

By Jennifer L. Holm, 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.