Human Prey (An Avon Flare Book)

They're Only Human

An Essay Concerning Human Understanding

Demonic Males: Apes and the Origins of Human Violence

The Oracle of Clarion - Unveiling the Goddess: A Story to Awaken the Heart of Humanity

Drugs, society & human behavior

Free to Be Human

Deep Time: How Humanity Communicates Across Millennia

Lucy: The Beginnings of Humankind

The art of being human: Humanities as a technique for living