Provides detailed information on 52 drugs and other addictive substances, defined as illegal drugs, legal addictive drugs and other substances as well as commonly abused classes of prescription and over-the-counter drugs. Statistics highlight each entry and sidebars provide information on the legal, historical or social aspects of the particular drug. Difficult words are defined within the text. Appropriate for middle school students.
Provides facts, maps, satellite images, and local stories, taking the reader on the ultimate round the world journey from Bolivia's bustling markets to carnival time in Venice.
Examines the world of mammals, depicting their development, feeding habits, courtship rituals, protective behavior, and physical adaptation to their various ways of life.