Forest Friends of The Night: My True Story of Discovery of the Bigfoot People

The Woman That Never Evolved: With a New Preface and Bibliographical Updates, Revised Edition

Ethnoprimatology: A Practical Guide to Research at the Human-Nonhuman Primate Interface (Cambridge Studies in Biological and Evolutionary Anthropology, Series Number 76)

Abominable Snowmen: Legend Come to Life

The Ape And The Sushi Master: Cultural Reflections Of A Primatologist

Mindspeak: Tapping into Sasquatch and Science

Comparative Psychology

A Forest in the Clouds: My Year Among the Mountain Gorillas in the Remote Enclave of Dian Fossey

Forbidden Bigfoot: Exposing the Controversial Truth about Sasquatch, Stick Signs, UFOs, Human Origins, and the Strange Phenomena in Our Own Backyards

Just Like Us: A Veterinarian’s Visual Memoir of Our Vanishing Great Ape Relatives