ch. 1. History of communications -- ch. 2. Disaster communications : two-way conversations -- ch. 3. Dynamics of communications and concepts of operations -- ch. 4. Challenges to effective communications -- ch. 5. Changing realities in emergency communications -- ch. 6. Emergency communications framework -- ch. 7. A crisis occurs. now what? -- ch. 8. International, federal, state, and local laws, regulations, systems, plans, and structures -- ch. 9. Ripple effect of social media and social networking -- ch. 10. Solutions : some solutions are better than none -- ch. 11. Learning your systems requirements -- ch. 12. Picking a solution that fits -- ch. 13. Effective communication plans -- ch. 14. Getting the message right the first time -- ch. 15. Prepare to prosper -- ch. 16. Conclusions.