The Christian Religion: An Enquiry: A Rational Inquiry into Christian Beliefs and Morality

On Guard: Defending Your Faith with Reason and Precision

The Works of Robert G. Ingersoll (Vol. 1-12): Complete Edition

God Is Not Great

Hell: Warm Words on the Cheerful and Comforting Doctrine of Eternal Damnation: Enriched edition. Unmasking the Terrifying Truth of Eternal Damnation

Living Buddha, Living Christ 20th Anniversary Edition

Heretics And Heresies: From 'The Gods and Other Lectures'

Cold-Case Christianity: A Homicide Detective Investigates the Claims of the Gospels

Mistakes of Moses: Enriched edition. Challenging Religious Dogma and Embracing Rationality

Seeking Allah, Finding Jesus: A Devout Muslim Encounters Christianity

Lectures of Col. R. G. Ingersoll -Latest: Lectures of Col. R. G. Ingersoll - Latest: Robert Green Ingersoll's Visionary Orations - Wisdom for Modern Minds

Illuminati: The Secret Society That Hijacked the World (The History of One of the World's Most Notorious Secret Societies)

About The Holy Bible: A Lecture: Enriched edition. Challenging Beliefs: A Critical Analysis of Religious Texts

A History of Religious Ideas, Volume 2: From Gautama Buddha to the Triumph of Christianity

Is the Bible God's Word?

Outgrowing God: A Beginner’s Guide

Jerusalem: One City, Three Faiths

Why There Is No God: Simple Responses to 20 Common Arguments for the Existence of God

Brief Candle in the Dark: My Life in Science