Matt Christopher Books

Dive Right In

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Twelve-year-old Traci Winchell is a gifted gymnast, but lately she's been having trouble -- so much trouble that her coach warns her she may need to drop out or else risk serious injury. Traci want...

The Basket Counts

By Matt Christopher

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Matt Christopher Sports Stories.

The Kid Who Only Hit Homers

By Matt Christopher

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Matt Christopher - 24 Copy Mixed Floor Display

By Matt Christopher

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Matt Christopher

By Matt Christopher

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Long Stretch at First Base

By Matt Christopher

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Lucky Baseball Bat

By Matt Christopher

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Two Strikes on Johnny

By Matt Christopher

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Basketball Sparkplug

By Matt Christopher

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Comeback of the Home Run Kind

By Matt Christopher

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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.