Heidi Moore Books

The story behind oil

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Discovery and early use - Oil wells - Automobiles - Electric cars - Oil crisis - Pollution - Global warming - Renewable energy.

The story behind salt

By Heidi Moore

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Why is the sea salty? Why is it so easy to float in the Dead Sea? Why do people put salt on icy roads? Discover the hidden facts behind everyday salt.

The story behind oil

By Heidi Moore

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Looks at the history of oil, how it is made, and how it used.

The story behind salt

By Heidi Moore

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Why is the sea salty? Why is it so easy to float in the Dead Sea? Why do people put salt on icy roads? Discover the hidden facts behind everyday salt.

A mob of meerkats

By Heidi Moore

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Describes the physical characteristics, behavior, habitat, and group life of meerkats.

Animal Groups

By Heidi Moore, Louise Spilsbury, Richard Spilsbury

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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.