Keith Brandt Books

Sound

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Discusses what a sound is, how sounds are made by musical instruments and the human voice, sound in a vacuum, and the speed of sound.

Air

By Brandt Keith

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Explains the qualities of air that we breathe and of the air in the layers of the atmosphere, and briefly discusses gravity and air pressure.

Indian crafts

By Brandt Keith

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Explains how the North American Indians used simple tools to make clothing, weapons, cooking implements, and ornaments from the raw materials around them.

Indian crafts

By Brandt Keith

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Explains how the North American Indians used simple tools to make clothing, weapons, cooking implements, and ornaments from the raw materials around them.

Caves

By Brandt Keith

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Describes how caves are formed and the kinds of things one might find inside.

The five senses

By Brandt Keith

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Describes how the information collectors known as our sense organs send messages to the brain which are interpreted for us as seeing, hearing, tasting, smelling, and feeling.

The five senses

By Brandt Keith

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Describes how the information collectors known as our sense organs send messages to the brain which are interpreted for us as seeing, hearing, tasting, smelling, and feeling.

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.