Discusses asteroids, comets, and meteorites, explaining where they come from, how they were formed, and what effect these voyagers from space have when they streak past the Earth or plummet to its surface.
A history of the American cowboy and how he changed with the coming of barbed wire, railroads, and homesteaders. Also describes modern cattle ranching.
Describes the season of fire that struck Yellowstone in 1988, and examines the complex ecology that returns plant and animal life to a seemingly barren, ash-covered expanse.
