by David M. Jacobs

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About the Author
David M. Jacobs lives with his wife, Irene, and two children, Evan and Alexander, in a suburb of Philadelphia.

He is associate professor of history at Temple University in Philadelphia.

He has been a UFO researcher since the mid-1960s and is the author of numerous articles, papers, and presentations on the UFO and abduction phenomena.

His previous books include The UFO Controversy in America (Indiana University Press, 1975) and Secret Life: Firsthand Accounts of UFO Abductions (Simon & Schuster, 1992).

He is considered the world's foremost academic scholar on the UFO and abduction phenomenon, and he teaches the only regular curriculum course on the subject

in the United States.




  1. Recognizing the Signal

  2. "I Know This Sounds Crazy, But..."

  3. Shadows of the Mind

  4. What They Do

  5. What They Are

  6. Why They Are Secret

  7. Infiltration

  8. The Hybrid Species - Children

  9. The Hybrid Species - Adolescents and Adults

  10. Independent Hybrid Activity

  11. The Nature of Alien Intentions

  12. Life As We Know It?

  13. Accepting the Unacceptable