Brown, Joseph E.

Sequoia, Redwood, Yosemite, Kings Canyon, Lassen Vocanic, Volcanoes (etc.).

Describes the various projects involving planting, cultivating, and harvesting the many plant and animal resources of the sea.

Discusses the characteristics and habits of seals and sea Lions.

Describes the underwater kelp forests that contain life forms which are essential links in the marine food chain.

Discusses the history, design, and use of windmills throughout the world.

Describes those wildlife species which are or have been threatened with extinction and the ways in which people are trying to save them.