Explores different types of grasslands located around the world, describing their development, climate, plant and animal life, exploitation, and preservation.
Text and illustrations introduce the physical characteristics, behavior, and natural environment of the four main groups of reptiles--lizards, snakes, tortoises, and turtles, and crocodilians.
Presents illustrations and information on various topics in four areas of prehistory: the evolving Earth, evolving life, dinosaurs, and the first humans.