This new Eighth Edition of SOCIOLOGY IN A CHANGING WORLD will help you visualize sociology all around you! Let this experienced author help you explore the reality of social change and its impact on individuals, groups, and societies throughout the world. SOCIOLOGY IN A CHANGING WORLD uses the theme of social change to tie together the many elements of sociology while it helps you develop an understanding of the science. Soon, you will begin to see real sociology at work in the world everyday. You�ll examine the social epidemiology of AIDS and the growing obesity epidemic, collective behavior, including fads, fashions, rumor, gossip, panic, and mass hysteria, aging in a global perspective, and gay and lesbian relationships and families.