Book excerpt: Presents a means of assessing the relative threat from terrorist-use of individual chemical, biological, and toxin agents. It focuses on small-scale, targeted C/B attacks, rather than mass-casualty attacks. The framework considers the elements of access, public health impact, medical treatment, prophylaxis, and dissemination. Other factors that may affect potential use by terrorists include the range of lethality, covert employment of an agent, and the availability of dual-use technol. Contents: Intro.; Background: Definition of C/B Terrorism; Probability of a C/B Weapon Attack; Historical Acquisition and Use of C/B Agents; C/B Assessments; Agent Analysis; Terrorist Motivation-Specific Factors; Policy Issues; Conclusions. Illus. This is a print on demand report.