Catherine Ard Books

Astronot Olacagim

By Catherine Ard

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Aviones de papel

By Catherine Ard, Michael Wiles

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Double Edged Helix

By Adrienne Asch, Catherine Ard, Jon Beckwith, Joseph S. Alper

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Origami Bugs

By Catherine Ard

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Origami Monsters

By Catherine Ard

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Monsters are high-interest topics for today's readers, and activities about monsters make this book irresistible! In this entertaining volume, monster enthusiasts will love learning how to create o...

Origami Planes

By Catherine Ard

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Origami Space

By Catherine Ard

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Origami Bugs

By Catherine Ard

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Origami Bugs

By Catherine Ard

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Origami Holidays

By Catherine Ard

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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.