This combo-bound publication includes two tracts: Research on the Nature of Consciousness, which is an objective study and academic presentation on the subject of consciousness. It is a transcript of the 1997 Landsberg Lecture (University of California, San Francisco, Health Sciences and School of Medicine) given by Dr. Hawkins. The second tract is a transcript of an interview of Dr. Hawkins entitled Subjective Spiritual Experience, which focuses on advanced states of consciousness and the realization of the presence of God. The interview was conducted by monk Yun Kyung Hud.