Tracey Steffora Books

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What is math
What is math

By Tracey Steffora

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What is time
What is time

By Tracey Steffora

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Adding with ants
Adding with ants

By Tracey Steffora

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Simple text and diagrams introduce addition and the adding on of groups of ants.

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Comparing with Cats
Comparing with Cats

By Tracey Steffora

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Shapes with snakes
Shapes with snakes

By Tracey Steffora

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Animal Math
Animal Math

By Tracey Steffora

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Adding with ants
Adding with ants

By Tracey Steffora

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Simple text and diagrams introduce addition and the adding on of groups of ants.

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Shapes with Snakes
Shapes with Snakes

By Tracey Steffora

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Taking Away with Tigers
Taking Away with Tigers

By Tracey Steffora

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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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