Arcadia Public Library

Explains why the moon changes from crescent to full moon every twenty-nine and one-half days.

Egypt's enduring civilization described in fourteen stages which progress from ancient beginnings to contemporary time.

Considers how stars come into being, change and grow older, and eventually come to an end.

Discusses why scientists believe in the existence of black holes, what they are, how they are formed, and how they are detected.

Explains, in simple terms, the reasons for skin color, how it is determined by heredity, and how various environmental factors affect it.

An historical survey of Rome and her Empire from 30 B.C. to 476 A.D., five-hundred years during which the heritage of Roman law and Christianity developed and survived the Germanic invasions.

Traces the scientific study of the speed of light, from Galileo's experiments in the seventeenth century to more recent discoveries involving the law of relativity.

Presents some ancient mythological beliefs about the universe.

A history of North America concentrating on European interests and rivalries and their influence on the development of the New World.

The three laws of Robotics: 1) A robot may not injure a human being or, through inaction, allow a human being to come to harm 2) A robot must obey orders given to it by human beings except where such orders would conflict with the First Law. 3) A robot must protect its own existence as long as such protection does not conflict with the First or Second Law. With these three, simple directives, Isaac Asimov changed our perception of robots forever when...