Matt Christopher Books

The World Series: Great Championship Moments

By Matt Christopher

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Michael Jordan: Legends in Sports

By Matt Christopher

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World Cup

By Matt Christopher

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Comeback of the Home Run Kid

By Stephanie True Peters, Matt Christopher

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After badly spraining his ankle just before the summer baseball season begins, Sylvester Coddmyer III meets a mysterious ex-ballplayer named Charlie Comet who helps him compensate for the injury by...

Goalkeeper in Charge

By Matt Christopher

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On the Bike With ... Lance Armstrong

By Matt Christopher, Glenn Stout

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A biography of the enthusiastic cyclist whose racing career was interrupted by a battle with cancer before getting back on track with a Tour de France win.

Fairway Phenom Matt Christopher Sports Fiction

By Matt Christopher

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Fairway Phenom

By Matt Christopher

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Goalkeeper in Charge Matt Christopher Sports Fiction

By Matt Christopher

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Soccer Cats

By Stephanie True Peters, Matt Christopher

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When Ted's twin sister Lisa, a fullback on the 'Cats soccer team, gets attention for her special move on the field, Ted determines to come up with an outstanding play also.

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.