Christine Webster Books

Hills

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Describes hills, including how they form, plants and animals on hills, how people and weather change hills, hills in North American, and Silbury Hill.

Mountains Earthforms

By Christine Webster

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Valleys Earthforms

By Christine Webster

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Earthforms

By Christine Webster

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Energy Our Physical World

By Christine Webster

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Mountains Earthforms

By Christine Webster

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Bones

By Christine Webster

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Heart

By Christine Webster

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Skin

By Christine Webster

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Otter Everywhere

By Christine Webster

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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.