Sally Hewitt Books

Solid, liquid, or gas?

By Sally Hewitt

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Presents information about the properties of solids, liquids, and gases, using observation and activities.

Forces around us

By Sally Hewitt

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An interactive approach which introduces the concept of force as something that pushes or pulls and includes a discussion of such forces as gravity, wind, magnetism, weight, and water.

Hearing sounds

By Sally Hewitt

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Uses familiar objects to introduce the concepts of sound and hearing, suggests activities to prove or explore a point, and asks questions requiring further study.

Light and dark

By Sally Hewitt

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Basic text and suggested activities illustrate the nature of light and various optical principles.

All kinds of animals

By Sally Hewitt

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Examines the variety of animals in the world, grouping them as mammals, birds, reptiles, amphibians, fish, insects, and those with soft bodies and shells.

Plants and flowers

By Sally Hewitt

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Discusses the elements that make plants grow, the structure of flowering plants, and the way they reproduce. Includes experiments and activities to demonstrate the principles in the text.

The five senses

By Sally Hewitt

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Examines the five senses possessed by humans, how they are used, and how they compare to those of animals.

Growing up

By Sally Hewitt

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Considers the ways humans change from birth through adulthood and compares human growth with that of animals.

All kinds of habitats

By Sally Hewitt

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Explores different kinds of environments that are homes to various animals and plants and examines why living organisms live where they do.

You and your body

By Sally Hewitt

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Basic text and suggested activities illustrate how the human body works and how to take care of it.

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.