The world's harvest

Explains how rubber is grown and processed into useful objects.

Explains how wool is removed from sheep and used in our clothes, carpets, furnishings, and many other things.

Describes how cotton and silk are naturally produced and how they are prepared and made into cloth.

Explains what plastics are, how they are made, and their many uses.

Explains how tea, coffee, cocoa, fruits, and grains are grown, manufactured into drinks, and distributed all over the world.