If the Universe Is Teeming with Aliens . . . Where Is Everybody? : Fifty Solutions to the Fermi Paradox and the Problem of Extraterrestrial Life
Copernicus Books, 04 October, 2002.

Samurai William
Farrar Straus & Giroux, 18 January, 2003.

Global Woman
Metropolitan Books, 06 January, 2003.

Alien Agenda: Investigating the Extraterrestrial Presence Among Us
Harper Mass Market Paperbacks, August, 1998.

DMT: The Spirit Molecule: A Doctor's Revolutionary Research into the Biology of Near-Death and Mystical Experiences
Inner Traditions Intl Ltd, January, 2001.

Resident Aliens: Life in the Christian Colony
Abingdon Press, October, 1989.

The Controllers: The Hidden Rulers of Earth Identified
Inner Light Pubns, November, 1994.

Servants of Globalization: Women, Migration and Domestic Work
Stanford Univ Pr, June, 2001.