Claudia Zaslavsky Books

Number Sense and Nonsense
Number Sense and Nonsense
Fear Of Math: How to Get Over It and Get on With Your Life!
Math Comes Alive
Math Comes Alive

By Claudia Zaslavsky

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Math games & activities from around the world
Math games & activities from around the world

By Claudia Zaslavsky

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Presents games and other activities from different countries and cultures that teach a variety of basic mathematical concepts.

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More Math Games and Activities from Around the World

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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.

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