Describes some of the scores of animals that are perilously close to disappearing forever through man's carelessness.

Text and illustrations introduce animals with fur or hair who nurse their young, breathe fresh air, and except for two species give birth to their young alive instead of laying eggs.

Snakes & Reptiles is a colorful account of the variety and uniqueness of these often misunderstood creatures. Because most reptiles are predators, they have well-developed sensory systems to aid them in finding prey and avoiding danger. Reptiles are cold-blooded and rely on the temperature of their surroundings to control their body heat. Readers will discover these and many other facts, in addition to color pictures, in SNAKES & REPTILES. Explore...

Explains and liberally illustrates variations in weather such as temperature seasons, and storms; and delves into volcanic forces and earthquakes which have helped to shape the earth.

Surveys the animals and plants which bring life to the great variety of ponds in the United States.