Matt Christopher Books

Karate Kick

By Stephenie Meyer

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Football Double Threat

By Matt Christopher

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Long Arm Quarterback: A New Football Team Sparks an Old Rivalry

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Long Arm Quarterback

By Matt Christopher

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19-year-old Cap Wadell wants to play on a "real" football team, but his middle school in a small Texas town does not have enough players--until his grandfather revives interest in the game of six-m...

Soccer 'Cats 4: Hat Trick

By Matt Christopher

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Soccer 'Cats 4: Hat Trick

By Matt Christopher

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When his older brother gets his picture in the paper for scoring three goals in a soccer game, Stookie tries to emulate his feat.

Stranger in Right Field: A Peach Street Mudders Story

By Matt Christopher

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Who is the new player on the Peach Street Mudders, and how can Alfie Maples help him improve his game?

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.