The great UFO wave : 1892 to 1947
Official UFO investigations
Waves, flaps, hot spots, polls, and patterns
Classifying and identifying UFOs
Close encounters of the third kind and retrievals
Close encounters of the fourth kind : abductions
Contactees and Space People
The search for theories and explanations
Appendix 1. Producing a UFO investigation report
Appendix 2. UFO investigation kit essentials