Written by Martin D. Jaffe, M.D. Jaffe uses the principle that the quest for security underlies all of evolutionary biology and psychology to ultimately establish proof against the existence of God.

Written by Sam Harris. Harris argues that human morality is determined by scientific principles.

Written by Betty Brogaard. Brogaard describes her personal experience questioning her Christianity and her spiritual journey from religion to freethought.

Written by Dan Barker with a forward by Julia Sweeney. Barker writes about how Atheists experience their sense of purpose in life.

Written by John W. Loftus. Loftus, a former evangelical minister, encourages skepticism in evaluating faith and describes Biblical errors and fallacies.

Written by Michael Palmer. Palmer explains the basic philosophical arguments behind Atheism.

Written by Kerry Walters. Walters gives an overview of the history and philosophy of Atheism.

Written by Robin Le Poidevin. Le Poidevin explains agnosticism as an ideology and writes about its history and development.

Written by S.T. Joshi. Joshi writes about the history and development of modern Atheism.