1. India, a History by John Keay
  2. In search of the cradle of civilization by Georg Feuerstein, Subhash Kak, David Frawley
  3. Early India by Romila Thapar
  4. Chandragupta Maurya and His Times by Radha Kumud Mookerji
  5. History and Beyond by Romila Thapar
  6. An End to Suffering : The Buddha in the World by Pankaj Mishra
  7. The Art of Living : Vipassana Meditation: As Taught by S. N. Goenka by William Hart
  8. Gem in the Lotus by Abraham Eraly
  9. A survey of Kerala History by A Sreedhara Menon
  10. A History of South India by K.A. Nilakanta Sastri
  11. Microsoft Encarta 2003
  12. The Arthashashtra by Kautilya
  13. The Wonder That Was India by A. L. Basham
  14. Asoka and the Decline of the Mauryas by Romila Thapar