The first accessible reference to cover the history, context, current issues, and key concepts surrounding biological, chemical, and nuclear weapons. * Over 500 A-Z entries written by 95 international experts, organized in two volumes divided by types of weapons * Timeline that covers leading political, military, and weapons-specific events since 1945 * Excerpts from key international documents * Combined index (with volume numbers noted) at the end of each volume * Includes numerous illustrations and photographs