Atheism/Humanism
- New Humanism - A Manifesto: MN Roy
- An Atheist with Gandhi: Gora (Navajeevan Publishers, Ahmedabad, Gujarat)
- Positive Atheism: Gora (Atheist Centre, Vijayawada, Andhra Pradesh)
- Atheism: Q & A: Gora (Atheist Centre, Vijayawada, Andhra Pradesh)
- God: AN Moorthy Rao (1995, Kannada Sahitya Parishath, Bangalore, Karnataka)
- Collected Works of Periyar: Periyar EV Ramaswamy
- Does He know a mother's heart? How Suffering Refutes Religions: Arun Shourie (HarperCollins Publishers India, New Delhi, 2011)
- There is no God: Khushwant Singh (Hay House India, New Delhi, 2012)
Skepticism/Debunking
- Begone Godmen! Encounters with Spiritual Frauds: Abraham Kovoor (Jaico Publications, Mumbai)
- Gods, Demons, and Spirits: Abraham Kovoor (Jaico Publications, Mumbai)
- Science, Nonscience and Paranormal: H Narasimhiah (ed) (Bangalore Science Forum, Bangalaore)
- Exposing Paranormal Claims: Abraham Kovoor (Indian CSICOP, Podannur, Tamil Nadu, 2000)
- On Christianity: Abraham Kovoor (Indian CSICOP, Podannur, Tamil Nadu, 2000)
- Soul, Spirit, Rebirth and Possession: Abraham Kovoor (Indian CSICOP, Podannur, Tamil Nadu, 2000)
- The Scientific Edge: The Indian Scientists from Vedic to Modern Times: Jayant Narlikar (Penguin Books, India, 2003)
- Hindu Religion and Astrology: Abraham Kovoor (Indian CSICOP, Podannur, Tamil Nadu, 2003)
- On Buddhism: Abraham Kovoor (Indian CSICOP, Podannur, Tamil Nadu, 2003)
- Postmodernism and Religious Fundamentalism: A Scientif Rebuttal of Hindu Science: Meera Nanda (Navayana, Pondicherry, India, 2003)
- Science versus Miracles: B Premanand (Indian CSICOP, Podannur, Tamil Nadu)
- Satya Sai Baba & Gold Control Act: B Premanand (Indian CSICOP, Podannur, Tamil Nadu)
- Murders in Sai Baba's Bedroom: B Premanand (Indian CSICOP, Podannur, Tamil Nadu)
- Angels, Devil and Science - A collection of articleson scientific templer: Pushpa M Bhargava & Chandana Chakrabarti (2007, National Book Trust, New Delhi)
- Mantra, Magic & Miracle - A Scientific Exploration: Badiuddin Khan & Hasan Jawaid Khan (2009, National Book Trust, New Delhi)
- Battle against Supernatural: Narendra Nayak (Indian CSICOP, Podannur, Tamil Nadu)
- Astrology - Sense or Nonsense? : Biman Basu (National Book Trust, New Delhi)
- Ganesha on the Dashboard: V Raghunathan & MA Eswaran (Penguin Books, New Delhi, 2012)
Indian Philosophy
- Lokayata: Debiprasad Chattopadhyaya(1959):
- Indian Philosophy: A Popular Outline: Debiprasad Chattopadhyaya (1964)
- Indian Atheism: Debiprasad Chattopadhyaya (1969)
- What is Living and What is Dead in Indian Philosophy: Debiprasad Chattopadhyaya (1976)
- Science and Society in Ancient India: Debiprasad Chattopadhyaya (1977)
- History of Science and Technology in Ancient India: Debiprasad Chattopadhyaya (1986)
- In Defence of Materialism in Ancient India: Debiprasad Chattopadhyaya (1989)
- Myth and Reality: Studies in the Formation of Indian Culture: DD Kosambi
- Studies on the Carvaka/Lokayata: Ramkrishna Bhattacharya (Anthem Press, 2009)
- Scepticism in Indian Thought: Carvaka Philosophy Reexamined: Latika Chattopadhyaya (New Age Publishers (P) Ltd, Kolkata, 2013)
- Lokayata/Carvaka: A Philosophical Inquiry: Pradeep P. Gokhale (Oxford University Press, New Delhi, 2015)
Secularism/Communalism
- Savarkar and Hindutwa: AG Noorani (Left Word Books, New Delhi, 2002)
- Communalism - A Primer: Bipin Chandra (National Book Trust, New Delhi, 2008)
- Communalism in Modern India: Bipin Chandra
- The Wrongs of the Religious Rights:Reflections on Science, Secularism, and Hindutva: Meera Nanda (Three Essays Collective, Gurgaon, India, 2005)
- Prophets Facing Backwards: Post-modern Critiques of Science and Hindu Nationalism in India: Meera Nanda (2006)
