The Belief Book

The Windowless Room: On the Unintelligibility of Theism

Good Without God: What a Billion Nonreligious People Do Believe

Outgrowing God: A Beginner's Guide

God Is Not Great: How Religion Poisons Everything

Why I Am Not a Christian and Other Related Essays by Bertrand Russell (Annotated): Includes What I Believe, Free Thought and Official Propaganda, and Other Essays

Does the Religious God Make Sense?

The Greatest Works of Friedrich Nietzsche: Writings on Philosophy, Power, and the Self (Including Thus Spoke Zarathustra, Beyond Good and Evil, The Birth of Tragedy, and More) [Grapevine Press]

How Jesus Became God: A Study of the Historical Development of Jesus's Divinity

Is it Rational to Believe in God?: Stories of scientists and philosophers who found evidence for God (The eX-skeptic Guides: unlikely stories of belief)