God is No Laughing Matter: Observations and Objections on the Spiritual Path

Keeping It Simple: Sorting Out What Really Matters in Your Life

Thinking With Your Soul: Spiritual Intelligence and Why It Matters

Where We Stand: Class Matters

Antimatter (Star Trek Deep Space Nine, No 8)

Matters of Fact and of Fiction: Essays 1973-1976

Cloak and Dagger (Star Trek Voyager, No 19, Dark Matters Book One of Three)

Ghost Dance (Star Trek Voyager, No 20, Dark Matters Book Two of Three)

Money Matters for Teens

Ghostly Matters: Haunting and the Sociological Imagination