David G. McAfee is author of Mom, Dad, I'm an Atheist: The Guide to Coming Out as a Nonbeliever, Disproving Christianity and Other Secular Writings, and The Belief Book. He holds a degree in religious studies from the University of California–Santa Barbara and lives in Southern California. Yvette d'Entremont, also known as SciBabe, is a public speaker, science blogger, and former analytical chemist.