Harriet Tubman And The Underground Railroad

2005

The Unsolved Mystery of Atlantis

2013

RMS Lusitania

2014

Deserts of the Earth

1998

The Impossibility of God

2003

Atheism

A Philosophical Justification

1990

A Year Near Proxima Centauri

1992

Avian Osteology

1981

The Inner Voice of Trading

Eliminate the Noise, and Profit from the Strategies That Are Right for You

2011

Atheism, Morality, and Meaning

2002

The Case Against Christianity

1991

How to Talk to Spirits

2014

The Salem Witch Trials

2002

The Cambridge Companion to Atheism

2006

The Improbability of God

2003

The Myth of an Afterlife

The Case against Life After Death

2015

Readings in the Philosophy of Social Science

1994

Concealed Carry and Home Defense Fundamentals, USCCA Edition

2013