Katharine Hall Books

Polar bears and penguins

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Polar bears and penguins may like cold weather but they live at opposite ends of the Earth. What do these animals have in common and how are they different? You might see them near each other at a...

Polar bears and penguins

By Katherine Hall

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Polar bears and penguins may like cold weather but they live at opposite ends of the Earth. What do these animals have in common and how are they different? You might see them near each other at a...

Clouds

By Katharine Hall

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Clouds

By Katharine Hall

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Trees

By Katharine Hall

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An argument for documenting casualties

By Katharine Hall

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Nubes

By Katharine Hall

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Arboles

By Katharine Hall

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Anfibios y Reptiles

By Katharine Hall

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Osos Polares y Ping 65533 inos

By Katharine Hall

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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.