This is a photo essay about the range of plants and animals found in fresh water throughout the year, examining the living conditions and survival mechanisms of creatures dwelling at the edge of the water, on its surface, or under the mud.

This book discusses the properties of electricity and describes how it is made and used.

Photographs and text examine the world of mammals, depicting their development, feeding habits, courtship rituals, protective behavior, and physical adaptation to their various ways of life.

Discusses the evolution, structure, and function of the human and animal skeletal systems.

Una extraordinaria vision en primer plano del asombroso mundo natural de los rios, las lagunas y su entorno.

An overview of human anatomy and physiology covers every system of the human body, examining the structure and functions of organs, tissues, cells, muscles, and bones, and discusses more than two hundred diseases and disorders.

Text and experiments demonstrate the nature and uses of energy in its various forms.

Discusses the unusual nature of glass, how it is made, and the many uses to which it has been put, from fine art to industrial applications, throughout history.

Details the life and work of Thomas Edison, who developed such inventions as the stock ticker, the light bulb, and the phonograph.