2. Early Sightings, Researchers, and Contactees
3. Modern Research, Researchers, and Contactees
4. Top Cases and Hot Spots Around the World
5. Associated Phenomena, A-L
6. Associated Phenomena, M-Z
Appendix A. The Field Investigator's Kit
Appendix B. Characteristics of an Abductee
Appendix C. Close Encounter Classification System
Appendix D. MUFON Code of Ethics
Appendix E. Sources Used in Writing This Book
