Human Evolution: A Pelican Introduction

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

The Science of Love and Betrayal

Seeking Allah, Finding Jesus: A Devout Muslim Encounters Christianity

Primate Social Systems

Wicca: A Guide for the Solitary Practitioner

How Many Friends Does One Person Need?: Dunbar's Number and Other Evolutionary Quirks

No God but One: Allah or Jesus? (with Bonus Content): A Former Muslim Investigates the Evidence for Islam and Christianity

Friends: Understanding the Power of our Most Important Relationships

On Guard: Defending Your Faith with Reason and Precision

Evolution: What Everyone Needs to Know®

Why Buddhism is True: The Science and Philosophy of Meditation and Enlightenment

Reproductive Decisions: An Economic Analysis of Gelada Baboon Social Strategies

Raja Yoga: Conquering the Internal Nature

The Human Story

Is the Bible God's Word?

The Religion of Tomorrow: A Vision for the Future of the Great Traditions - More Inclusive, More Comprehensive, More Complete

Primate Conservation Biology

Grimoire for the Green Witch: A Complete Book of Shadows