Books about Christianity -- Controversial literature (sorted by popularity)
- Letters To Eugenia; Or, A Preservative Against Religious Prejudices baron d' Paul Henri Thiry Holbach 92 downloads
- Versuch einer Kritik aller Offenbarung (German) Johann Gottlieb Fichte 85 downloads
- The Story of My Mind; Or, How I Became a Rationalist M. M. Mangasarian 82 downloads
- Ingersoll in Canada: A Reply to Wendling, Archbishop Lynch, Bystander; and Others Allen Pringle 79 downloads
- Christianity in relation to Freethought, Scepticism, and Faith Charles Bradlaugh and William Connor Magee 73 downloads
- The Cradle of the Christ: A Study in Primitive Christianity Octavius Brooks Frothingham 65 downloads
- The Doubts of Infidels William Nicholson 61 downloads
- Thoughts on the Christian Religion, by a Deist Anonymous 60 downloads
- Antikristus: Arvostelukoe kristinopista (Finnish) Friedrich Wilhelm Nietzsche 57 downloads
- Christian Mystery: A Chinese Tale, Found in the Portfolio of a Portuguese Friar Anonymous 38 downloads