Christina Matula Books

The Shadow in the Moon

By Christina Matula Author Pearl Law Illustrator

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A unique blend of traditional folklore and contemporary customs brings the Chinese Mid-Autumn Festival to life.Two sisters and their grandmother celebrate a popular Chinese holiday with family. The...

Mixed Up Mooncakes

By Christina Matula, Tracy Subisak, Erica Lyons

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Not So Perfect Plan

By Christina Matula

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Not So Simple Question

By Christina Matula

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Not So Uniform Life of Holly Mei

By Christina Matula

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Not So Uniform Life of Holly Mei

By Christina Matula

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Not So Perfect Plan

By Christina Matula

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Not So Perfect Plan

By Christina Matula

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Not So Uniform Life of Holly Mei

By Christina Matula

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Not So Simple Question

By Christina Matula

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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.