Books about Christianity -- Controversial literature (sorted by popularity)
- Christianity Unveiled baron d' Paul Henri Thiry Holbach 52 downloads
- Christianity in relation to Freethought, Scepticism, and Faith Charles Bradlaugh and William Connor Magee 52 downloads
- The Kernel and the Husk: Letters on Spiritual Christianity Edwin Abbott Abbott 48 downloads
- De la cruauté religieuse (French) baron d' Paul Henri Thiry Holbach 47 downloads
- The Cradle of the Christ: A Study in Primitive Christianity Octavius Brooks Frothingham 45 downloads
- Thoughts on the Christian Religion, by a Deist Anonymous 44 downloads
- Christian Mystery: A Chinese Tale, Found in the Portfolio of a Portuguese Friar Anonymous 35 downloads
- Letters to Eugenia; Or, A Preservative Against Religious Prejudices baron d' Paul Henri Thiry Holbach 34 downloads
- Ingersoll in Canada: A Reply to Wendling, Archbishop Lynch, Bystander; and Others Allen Pringle 30 downloads
- Antikristus: Arvostelukoe kristinopista (Finnish) Friedrich Wilhelm Nietzsche 21 downloads