Books about Christianity -- Controversial literature (sorted by popularity)
- Versuch einer Kritik aller Offenbarung (German) Johann Gottlieb Fichte 71 downloads
- The Story of My Mind; Or, How I Became a Rationalist M. M. Mangasarian 63 downloads
- Letters to Eugenia; Or, A Preservative Against Religious Prejudices baron d' Paul Henri Thiry Holbach 61 downloads
- De la cruauté religieuse (French) baron d' Paul Henri Thiry Holbach 59 downloads
- Thoughts on the Christian Religion, by a Deist Anonymous 57 downloads
- Christian Mystery: A Chinese Tale, Found in the Portfolio of a Portuguese Friar Anonymous 55 downloads
- The Doubts of Infidels William Nicholson 53 downloads
- Christianity in relation to Freethought, Scepticism, and Faith Charles Bradlaugh and William Connor Magee 45 downloads
- Antikristus: Arvostelukoe kristinopista (Finnish) Friedrich Wilhelm Nietzsche 44 downloads
- Ingersoll in Canada: A Reply to Wendling, Archbishop Lynch, Bystander; and Others Allen Pringle 44 downloads