Books in World's war series series

Presents photographs of wild animal parents and their offspring from around the world

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Describes how limitless supplies of power derived from the sun, wind, and tide are being harnessed and explains their importance in a world where traditional energy supplies are becoming scarcer

Describes how oil and gas are taken from deep underground and how they are made to serve our transportation, industry, and home needs

Claycomb, Patty

Explains how milk, cream, butter, yogurt, cheese, and eggs are processed

Presents photographs of wild animal parents and their offspring from around the world

Shows a girl and her classmates learning to swim and dive and highlights such aspects of this recreation as types of strokes, professional competitions, and water sports

Describes the food we get from the sea, how we obtain it, and the men who hunt for it

Explains how grains such as wheat, rice, and oats are grown, harvested, and manufactured

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